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Western Digital Corp – ‘10-K’ for 6/28/19 – ‘EX-101.LAB’

On:  Tuesday, 8/27/19, at 2:53pm ET   ·   For:  6/28/19   ·   Accession #:  106040-19-58   ·   File #:  1-08703

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  As Of               Filer                 Filing    For·On·As Docs:Size

 8/27/19  Western Digital Corp              10-K        6/28/19  130:23M

Annual Report   —   Form 10-K   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-K        Form 10-K Fy19                                      HTML   2.99M 
 2: EX-4.1      Ex 4.1 - Description of Wdc Capital Stock           HTML     52K 
 3: EX-10.11    Ex 10.11 - Mark Long Severance Agreement            HTML    100K 
 4: EX-10.21    Ex 10.21 - K1 Agreement                             HTML    267K 
 5: EX-21       Ex 21 - Subsidiaries of the Registrant              HTML     66K 
 6: EX-23       Ex 23 - Consent of Independent Registered Public    HTML     39K 
                Accounting Firm                                                  
 7: EX-31.1     Ex 31.1 - CEO Certification to Section 302          HTML     42K 
 8: EX-31.2     Ex 31.2 - CFO Certification to Section 302          HTML     42K 
 9: EX-32.1     Ex 32.1 - CEO Certification to Section 906          HTML     39K 
10: EX-32.2     Ex 32.2 - CFO Certification to Section 906          HTML     39K 
17: R1          Cover Page                                          HTML     97K 
18: R2          Consolidated Balance Sheets                         HTML    129K 
19: R3          Consolidated Balance Sheets (Parenthetical)         HTML     59K 
20: R4          Consolidated Statements of Operations               HTML    113K 
21: R5          Consolidated Statements of Comprehensive Income     HTML     71K 
22: R6          Consolidated Statements of Cash Flows               HTML    173K 
23: R7          Consolidated Statements of Shareholders' Equity     HTML    102K 
24: R8          Organization and Basis of Presentation (Notes)      HTML    120K 
25: R9          Recently Accounting Pronouncements                  HTML     57K 
26: R10         Supplemental Financial Statement Data               HTML    136K 
27: R11         Fair Value Measurements and Investments             HTML    185K 
28: R12         Derivatives Instruments and Hedging Activities      HTML     46K 
29: R13         Debt                                                HTML     95K 
30: R14         Goodwill and Other Intangible Assets                HTML    113K 
31: R15         Pensions and Other Post-retirement Benefit Plans    HTML    151K 
32: R16         Commitments, Contingencies and Related Parties      HTML    137K 
33: R17         Business Segment, Revenue Information, Geographic   HTML    107K 
                Information and Concentration of Risk                            
34: R18         Western Digital Corporation 401(k) Plan             HTML     43K 
35: R19         Shareholders' Equity                                HTML    182K 
36: R20         Income Tax Expense                                  HTML    215K 
37: R21         Net Income (Loss) Per Common Share                  HTML     60K 
38: R22         Employee Termination, Asset Impairment and Other    HTML     96K 
                Charges                                                          
39: R23         Legal Proceedings                                   HTML     51K 
40: R24         Separate Financial Information of Guarantor         HTML    901K 
                Subsidiaries                                                     
41: R25         Quarterly Results of Operations (Unaudited)         HTML     88K 
42: R26         Organization and Basis of Presentation (Policies)   HTML    202K 
43: R27         Supplemental Financial Statement Data (Tables)      HTML    142K 
44: R28         Fair Value Measurements and Investments (Tables)    HTML    179K 
45: R29         Debt (Tables)                                       HTML     79K 
46: R30         Goodwill and Other Intangible Assets (Tables)       HTML    118K 
47: R31         Pensions and Other Post-retirement Benefit Plans    HTML    147K 
                (Tables)                                                         
48: R32         Commitments, Contingencies and Related Parties      HTML    132K 
                (Tables)                                                         
49: R33         Business Segment, Revenue Information, Geographic   HTML    101K 
                Information and Concentration of Risk (Tables)                   
50: R34         Shareholders' Equity (Tables)                       HTML    173K 
51: R35         Income Tax Expense (Tables)                         HTML    184K 
52: R36         Net Income (Loss) Per Common Share (Tables)         HTML     59K 
53: R37         Employee Termination, Asset Impairment and Other    HTML     93K 
                Charges (Tables)                                                 
54: R38         Separate Financial Information of Guarantor         HTML    943K 
                Subsidiaries (Tables)                                            
55: R39         Quarterly Results of Operations (Unaudited)         HTML     88K 
                (Tables)                                                         
56: R40         Organization and Basis of Presentation -            HTML     77K 
                Additional Information (Details)                                 
57: R41         Organization and Basis of Presentation - Remaining  HTML     55K 
                Performance Obligation (Details)                                 
58: R42         Recently Accounting Pronouncements - Additional     HTML     43K 
                Information (Details)                                            
59: R43         Supplemental Financial Statement Data - Additional  HTML     47K 
                Information (Details)                                            
60: R44         Supplemental Financial Statement Data - Inventory   HTML     49K 
                (Details)                                                        
61: R45         Supplemental Financial Statement Data - Property,   HTML     59K 
                Plant and Equipment (Details)                                    
62: R46         Supplemental Financial Statement Data - Warranty    HTML     47K 
                Accrual Roll Forward (Details)                                   
63: R47         Supplemental Financial Statement Data - Total       HTML     44K 
                Warranty Accrual (Details)                                       
64: R48         Supplemental Financial Statement Data - Other       HTML     47K 
                Liabilities (Details)                                            
65: R49         Supplemental Financial Statement Data -             HTML     69K 
                Accumulated Other Comprehensive Income Roll                      
                Forward (Details)                                                
66: R50         Fair Value Measurements and Investments - Cash and  HTML     53K 
                Marketable Securities (Details)                                  
67: R51         Fair Value Measurements and Investments -           HTML    136K 
                Financial Assets and Liabilities Measured at Fair                
                Value on Recurring Basis (Detail)                                
68: R52         Fair Value Measurements and Investments - Debt      HTML     65K 
                Instrument Fair Value (Details)                                  
69: R53         Fair Value Measurements and Investments -           HTML     45K 
                Additional Information (Details)                                 
70: R54         Derivatives Instruments and Hedging Activities -    HTML     39K 
                Additional Information (Details)                                 
71: R55         Debt - Schedule of Debt (Details)                   HTML     71K 
72: R56         Debt - Additional Information (Details)             HTML    137K 
73: R57         Debt - Debt Maturities (Details)                    HTML     66K 
74: R58         Goodwill and Other Intangible Assets - Goodwill     HTML     45K 
                (Details)                                                        
75: R59         Goodwill and Other Intangible Assets - Intangible   HTML     72K 
                Assets (Details)                                                 
76: R60         Goodwill and Other Intangible Assets - Additional   HTML     46K 
                Information (Details)                                            
77: R61         Goodwill and Other Intangible Assets - Intangible   HTML     40K 
                Asset Amortization (Details)                                     
78: R62         Goodwill and Other Intangible Assets - Intangible   HTML     52K 
                Asset Future Amortization (Details)                              
79: R63         Pensions and Other Post-retirement Benefit Plans -  HTML     83K 
                Obligations and Funded Status (Details)                          
80: R64         Pensions and Other Post-retirement Benefit Plans -  HTML     51K 
                Unfunded Amounts Recognized on Consolidated                      
                Balance Sheets (Details)                                         
81: R65         Pensions and Other Post-retirement Benefit Plans -  HTML     60K 
                Additional Information (Details)                                 
82: R66         Pensions and Other Post-retirement Benefit Plans -  HTML     43K 
                Weighted-Average Actuarial Assumptions used to                   
                Determine Benefit Obligations (Details)                          
83: R67         Pensions and Other Post-retirement Benefit Plans -  HTML     46K 
                Weighted-Average Actuarial Assumptions used to                   
                Determine Benefit Costs (Details)                                
84: R68         Pensions and Other Post-retirement Benefit Plans -  HTML     65K 
                Defined Benefit Pension Plans' Major Asset                       
                Categories and Their Associated Fair Values                      
                (Details)                                                        
85: R69         Commitments, Contingencies and Related Parties -    HTML    106K 
                Additional Information (Details)                                 
86: R70         Commitments, Contingencies and Related Parties -    HTML     54K 
                Equity Investments (Details)                                     
87: R71         Commitments, Contingencies and Related Parties -    HTML     53K 
                Maximum Loss Exposure (Details)                                  
88: R72         Commitments, Contingencies and Related Parties -    HTML     42K 
                JV Lease Guarantees (Details)                                    
89: R73         Commitments, Contingencies and Related Parties -    HTML     59K 
                Joint Venture Lease Amounts (Details)                            
90: R74         Commitments, Contingencies and Related Parties -    HTML     57K 
                Future Minimum Lease Payments under Operating                    
                Leases (Details)                                                 
91: R75         Commitments, Contingencies and Related Parties -    HTML     39K 
                Rent Expense (Details)                                           
92: R76         Commitments, Contingencies and Related Parties -    HTML     49K 
                Purchase Agreements (Details)                                    
93: R77         Business Segment, Revenue Information, Geographic   HTML     58K 
                Information and Concentration of Risk - Revenue by               
                End Market and Form Factor (Details)                             
94: R78         Business Segment, Revenue Information, Geographic   HTML     61K 
                Information and Concentration of Risk - Revenue by               
                Geography (Details)                                              
95: R79         Business Segment, Revenue Information, Geographic   HTML     52K 
                Information and Concentration of Risk - Long-lived               
                Assets by Geography (Details)                                    
96: R80         Business Segment, Revenue Information, Geographic   HTML     60K 
                Information and Concentration of Risk - Additional               
                Information (Details)                                            
97: R81         Western Digital Corporation 401(k) Plan -           HTML     53K 
                Additional Information (Details)                                 
98: R82         Shareholders' Equity - 2017 Performance Incentive   HTML     65K 
                Plan and ESPP (Details)                                          
99: R83         Shareholders' Equity - Stock-Based Compensation     HTML     61K 
                Expense (Details)                                                
100: R84         Shareholders' Equity - Unrecognized Share-based     HTML     49K  
                Compensation (Details)                                           
101: R85         Shareholders' Equity - Stock Option Activity        HTML     83K  
                (Details)                                                        
102: R86         Shareholders' Equity - Restricted Stock Units And   HTML     65K  
                Performance Share Units (Details)                                
103: R87         Shareholders' Equity - Share Repurchase Program     HTML     55K  
                (Details)                                                        
104: R88         Shareholders' Equity - Dividends (Details)          HTML     46K  
105: R89         Shareholders' Equity - Fair Value Assumptions Used  HTML     65K  
                For Stock Options Granted (Details)                              
106: R90         Shareholders' Equity - Fair Values Assumptions      HTML     63K  
                User For Employee Stock Purchase Plan Granted                    
                (Details)                                                        
107: R91         Shareholders' Equity - Stock Reserved for Issuance  HTML     44K  
                (Details)                                                        
108: R92         Income Tax Expense - Domestic and Foreign           HTML     45K  
                Components of Income Before Income Taxes (Details)               
109: R93         Income Tax Expense - Components of Provision for    HTML     68K  
                Income Taxes (Details)                                           
110: R94         Income Tax Expense - Additional Information         HTML    149K  
                (Details)                                                        
111: R95         Income Tax Expense - Deferred Tax Assets and        HTML     78K  
                Liabilities (Details)                                            
112: R96         Income Tax Expense - Reconciliation of the U.S.     HTML     89K  
                Federal statutory rate (Details)                                 
113: R97         Income Tax Expense - NOL Carryforward (Details)     HTML     59K  
114: R98         Income Tax Expense - Unrecognized Tax Benefits      HTML     55K  
                (Details)                                                        
115: R99         Net Income (Loss) Per Common Share - Additional     HTML     71K  
                Information (Details)                                            
116: R100        Employee Termination, Asset Impairment and Other    HTML     57K  
                Charges - Expense Recognition (Details)                          
117: R101        Employee Termination, Asset Impairment and Other    HTML     46K  
                Charges - Additional Information (Details)                       
118: R102        Employee Termination, Asset Impairment and Other    HTML     54K  
                Charges - Closure of Foreign Manufacturing                       
                Facilities (Details)                                             
119: R103        Employee Termination, Asset Impairment and Other    HTML     53K  
                Charges - Business Realignment Activities                        
                (Details)                                                        
120: R104        Legal Proceedings - Additional Information          HTML     50K  
                (Details)                                                        
121: R105        Separate Financial Information of Guarantor         HTML    201K  
                Subsidiaries - Balance Sheet (Details)                           
122: R106        Separate Financial Information of Guarantor         HTML    151K  
                Subsidiaries - Statement of Operations (Details)                 
123: R107        Separate Financial Information of Guarantor         HTML    102K  
                Subsidiaries - Statement of Comprehensive Income                 
                (Loss) (Details)                                                 
124: R108        Separate Financial Information of Guarantor         HTML    202K  
                Subsidiaries - Statement of Cash Flows (Details)                 
125: R109        Quarterly Results of Operations (unaudited)         HTML     64K  
                Summary of Quarterly Results (Details)                           
126: R9999       Uncategorized Items - wdc-2019q410xkdoc.htm         HTML     74K  
128: XML         IDEA XML File -- Filing Summary                      XML    243K  
16: XML         XBRL Instance -- wdc-2019q410xkdoc_htm               XML   6.99M 
127: EXCEL       IDEA Workbook of Financial Reports                  XLSX    176K  
12: EX-101.CAL  XBRL Calculations -- wdc-20190628_cal                XML    411K 
13: EX-101.DEF  XBRL Definitions -- wdc-20190628_def                 XML   1.25M 
14: EX-101.LAB  XBRL Labels -- wdc-20190628_lab                      XML   2.88M 
15: EX-101.PRE  XBRL Presentations -- wdc-20190628_pre               XML   1.88M 
11: EX-101.SCH  XBRL Schema -- wdc-20190628                          XSD    284K 
129: JSON        XBRL Instance as JSON Data -- MetaLinks              609±   952K  
130: ZIP         XBRL Zipped Folder -- 0000106040-19-000058-xbrl      Zip    693K  


‘EX-101.LAB’   —   XBRL Labels — wdc-20190628_lab


This Exhibit is an XBRL XML File.


                                                                                                                                                                                
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<link:label id="lab_wdc_FiniteLivedIntangibleAssetsTransferredInFromOutToIndefiniteLivedIntangibleAssets_3E0388E534703DB9B9FCB03DD8ADA830_terseLabel_en-US" xlink:label="lab_wdc_FiniteLivedIntangibleAssetsTransferredInFromOutToIndefiniteLivedIntangibleAssets_3E0388E534703DB9B9FCB03DD8ADA830" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> In-process research and development reclassified to developed product technology </link:label>
<link:label id="lab_wdc_FiniteLivedIntangibleAssetsTransferredInFromOutToIndefiniteLivedIntangibleAssets_3E0388E534703DB9B9FCB03DD8ADA830_label_en-US" xlink:label="lab_wdc_FiniteLivedIntangibleAssetsTransferredInFromOutToIndefiniteLivedIntangibleAssets_3E0388E534703DB9B9FCB03DD8ADA830" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Transferred In From (Out To) Indefinite-Lived Intangible Assets </link:label>
<link:label id="lab_wdc_FiniteLivedIntangibleAssetsTransferredInFromOutToIndefiniteLivedIntangibleAssets_3E0388E534703DB9B9FCB03DD8ADA830_documentation_en-US" xlink:label="lab_wdc_FiniteLivedIntangibleAssetsTransferredInFromOutToIndefiniteLivedIntangibleAssets_3E0388E534703DB9B9FCB03DD8ADA830" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Transferred In From (Out To) Indefinite-Lived Intangible Assets </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_FiniteLivedIntangibleAssetsTransferredInFromOutToIndefiniteLivedIntangibleAssets" xlink:label="loc_wdc_FiniteLivedIntangibleAssetsTransferredInFromOutToIndefiniteLivedIntangibleAssets_3E0388E534703DB9B9FCB03DD8ADA830" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9B91BC63F2E3925E0DDAB03DD8AE022E_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9B91BC63F2E3925E0DDAB03DD8AE022E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Useful life </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9B91BC63F2E3925E0DDAB03DD8AE022E_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9B91BC63F2E3925E0DDAB03DD8AE022E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Asset, Useful Life </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9B91BC63F2E3925E0DDAB03DD8AE022E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9B91BC63F2E3925E0DDAB03DD8AE022E" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_9B91BC63F2E3925E0DDAB03DD8AE022E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_34D647D907EA82AD6DE6B03DD8AE7B03_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_34D647D907EA82AD6DE6B03DD8AE7B03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Impairment charges related to intangible assets </link:label>
<link:label id="lab_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_34D647D907EA82AD6DE6B03DD8AE7B03_label_en-US" xlink:label="lab_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_34D647D907EA82AD6DE6B03DD8AE7B03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Impairment of Intangible Assets, Finite-lived </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsFinitelived_34D647D907EA82AD6DE6B03DD8AE7B03" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PostemploymentBenefitsAbstract_FB12EA0CF412BEE39EE3B03DD5FAFA12_label_en-US" xlink:label="lab_us-gaap_PostemploymentBenefitsAbstract_FB12EA0CF412BEE39EE3B03DD5FAFA12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Postemployment Benefits [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PostemploymentBenefitsAbstract" xlink:label="loc_us-gaap_PostemploymentBenefitsAbstract_FB12EA0CF412BEE39EE3B03DD5FAFA12" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_A6513BF3FB287283EA71B03DD5FBD839_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_A6513BF3FB287283EA71B03DD5FBD839" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Restructuring and Related Costs [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_A6513BF3FB287283EA71B03DD5FBD839_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_A6513BF3FB287283EA71B03DD5FBD839" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Restructuring and Related Costs [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_A6513BF3FB287283EA71B03DD5FBD839" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RestructuringPlanAxis_CE0356A2FCC6D8D3BF36B03DD5FB4441_terseLabel_en-US" xlink:label="lab_us-gaap_RestructuringPlanAxis_CE0356A2FCC6D8D3BF36B03DD5FB4441" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring Plan [Axis] </link:label>
<link:label id="lab_us-gaap_RestructuringPlanAxis_CE0356A2FCC6D8D3BF36B03DD5FB4441_label_en-US" xlink:label="lab_us-gaap_RestructuringPlanAxis_CE0356A2FCC6D8D3BF36B03DD5FB4441" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restructuring Plan [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringPlanAxis" xlink:label="loc_us-gaap_RestructuringPlanAxis_CE0356A2FCC6D8D3BF36B03DD5FB4441" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestructuringPlanAxis_CE0356A2FCC6D8D3BF36B03DD5FB4441" xlink:to="lab_us-gaap_RestructuringPlanAxis_CE0356A2FCC6D8D3BF36B03DD5FB4441" xlink:type="arc"/>
<link:label id="lab_us-gaap_RestructuringPlanDomain_AA818A87AA9CDF34EBBBB03DD5FBA1E3_terseLabel_en-US" xlink:label="lab_us-gaap_RestructuringPlanDomain_AA818A87AA9CDF34EBBBB03DD5FBA1E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring Plan [Domain] </link:label>
<link:label id="lab_us-gaap_RestructuringPlanDomain_AA818A87AA9CDF34EBBBB03DD5FBA1E3_label_en-US" xlink:label="lab_us-gaap_RestructuringPlanDomain_AA818A87AA9CDF34EBBBB03DD5FBA1E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restructuring Plan [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_AA818A87AA9CDF34EBBBB03DD5FBA1E3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestructuringPlanDomain_AA818A87AA9CDF34EBBBB03DD5FBA1E3" xlink:to="lab_us-gaap_RestructuringPlanDomain_AA818A87AA9CDF34EBBBB03DD5FBA1E3" xlink:type="arc"/>
<link:label id="lab_wdc_ClosureofForeignManufacturingFacilitiesMember_769B4DA05F2DE2F96D2EB03DD5FC8CF0_terseLabel_en-US" xlink:label="lab_wdc_ClosureofForeignManufacturingFacilitiesMember_769B4DA05F2DE2F96D2EB03DD5FC8CF0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Closure of Foreign Manufacturing Facilities </link:label>
<link:label id="lab_wdc_ClosureofForeignManufacturingFacilitiesMember_769B4DA05F2DE2F96D2EB03DD5FC8CF0_label_en-US" xlink:label="lab_wdc_ClosureofForeignManufacturingFacilitiesMember_769B4DA05F2DE2F96D2EB03DD5FC8CF0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Closure of Foreign Manufacturing Facilities [Member] </link:label>
<link:label id="lab_wdc_ClosureofForeignManufacturingFacilitiesMember_769B4DA05F2DE2F96D2EB03DD5FC8CF0_documentation_en-US" xlink:label="lab_wdc_ClosureofForeignManufacturingFacilitiesMember_769B4DA05F2DE2F96D2EB03DD5FC8CF0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Closure of Foreign Manufacturing Facilities [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_ClosureofForeignManufacturingFacilitiesMember" xlink:label="loc_wdc_ClosureofForeignManufacturingFacilitiesMember_769B4DA05F2DE2F96D2EB03DD5FC8CF0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ClosureofForeignManufacturingFacilitiesMember_769B4DA05F2DE2F96D2EB03DD5FC8CF0" xlink:to="lab_wdc_ClosureofForeignManufacturingFacilitiesMember_769B4DA05F2DE2F96D2EB03DD5FC8CF0" xlink:type="arc"/>
<link:label id="lab_wdc_BusinessRealignmentActivitiesMember_5377D8BB655BBDC8A74BB03DD5FC41E3_terseLabel_en-US" xlink:label="lab_wdc_BusinessRealignmentActivitiesMember_5377D8BB655BBDC8A74BB03DD5FC41E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Realignment </link:label>
<link:label id="lab_wdc_BusinessRealignmentActivitiesMember_5377D8BB655BBDC8A74BB03DD5FC41E3_label_en-US" xlink:label="lab_wdc_BusinessRealignmentActivitiesMember_5377D8BB655BBDC8A74BB03DD5FC41E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Realignment Activities [Member] </link:label>
<link:label id="lab_wdc_BusinessRealignmentActivitiesMember_5377D8BB655BBDC8A74BB03DD5FC41E3_documentation_en-US" xlink:label="lab_wdc_BusinessRealignmentActivitiesMember_5377D8BB655BBDC8A74BB03DD5FC41E3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Charges to periodically realign the company's operations with anticipated market demand. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_BusinessRealignmentActivitiesMember" xlink:label="loc_wdc_BusinessRealignmentActivitiesMember_5377D8BB655BBDC8A74BB03DD5FC41E3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_BusinessRealignmentActivitiesMember_5377D8BB655BBDC8A74BB03DD5FC41E3" xlink:to="lab_wdc_BusinessRealignmentActivitiesMember_5377D8BB655BBDC8A74BB03DD5FC41E3" xlink:type="arc"/>
<link:label id="lab_wdc_RestructuringPlanMember_E10BAF45DCA962A4294AB03DD5FC10E8_terseLabel_en-US" xlink:label="lab_wdc_RestructuringPlanMember_E10BAF45DCA962A4294AB03DD5FC10E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring Plan 2016 </link:label>
<link:label id="lab_wdc_RestructuringPlanMember_E10BAF45DCA962A4294AB03DD5FC10E8_label_en-US" xlink:label="lab_wdc_RestructuringPlanMember_E10BAF45DCA962A4294AB03DD5FC10E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restructuring Plan [Member] </link:label>
<link:label id="lab_wdc_RestructuringPlanMember_E10BAF45DCA962A4294AB03DD5FC10E8_documentation_en-US" xlink:label="lab_wdc_RestructuringPlanMember_E10BAF45DCA962A4294AB03DD5FC10E8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The Company initiated a set of actions relating to the Restructuring Plan associated with the integration of substantial portions of its HGST and WD subsidiaries (the “Restructuring Plan”). The Restructuring Plan consists of asset and footprint reduction, product roadmap consolidation and organization rationalization. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_RestructuringPlanMember" xlink:label="loc_wdc_RestructuringPlanMember_E10BAF45DCA962A4294AB03DD5FC10E8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_RestructuringPlanMember_E10BAF45DCA962A4294AB03DD5FC10E8" xlink:to="lab_wdc_RestructuringPlanMember_E10BAF45DCA962A4294AB03DD5FC10E8" xlink:type="arc"/>
<link:label id="lab_us-gaap_RestructuringCostAndReserveLineItems_D7E54DA67ECFA474DB87B03DD5FC7E9D_terseLabel_en-US" xlink:label="lab_us-gaap_RestructuringCostAndReserveLineItems_D7E54DA67ECFA474DB87B03DD5FC7E9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring Cost and Reserve [Line Items] </link:label>
<link:label id="lab_us-gaap_RestructuringCostAndReserveLineItems_D7E54DA67ECFA474DB87B03DD5FC7E9D_label_en-US" xlink:label="lab_us-gaap_RestructuringCostAndReserveLineItems_D7E54DA67ECFA474DB87B03DD5FC7E9D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restructuring Cost and Reserve [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_D7E54DA67ECFA474DB87B03DD5FC7E9D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RestructuringCharges_3921A0796BAB7374EB75B03DD5FDB558_terseLabel_en-US" xlink:label="lab_us-gaap_RestructuringCharges_3921A0796BAB7374EB75B03DD5FDB558" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restructuring charges </link:label>
<link:label id="lab_us-gaap_RestructuringCharges_3921A0796BAB7374EB75B03DD5FDB558_label_en-US" xlink:label="lab_us-gaap_RestructuringCharges_3921A0796BAB7374EB75B03DD5FDB558" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restructuring Charges </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_3921A0796BAB7374EB75B03DD5FDB558" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AssetImpairmentCharges_53B69F5BF80853C30CB5B03DD5FDFC13_terseLabel_en-US" xlink:label="lab_us-gaap_AssetImpairmentCharges_53B69F5BF80853C30CB5B03DD5FDFC13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Asset impairment </link:label>
<link:label id="lab_us-gaap_AssetImpairmentCharges_53B69F5BF80853C30CB5B03DD5FDFC13_label_en-US" xlink:label="lab_us-gaap_AssetImpairmentCharges_53B69F5BF80853C30CB5B03DD5FDFC13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asset Impairment Charges </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_53B69F5BF80853C30CB5B03DD5FDFC13" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_DF02068E853BAFB2A52FB03DD5FD0B5A_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_DF02068E853BAFB2A52FB03DD5FD0B5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation accelerations and adjustments: </link:label>
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<link:loc xlink:href="wdc-20190628.xsd#wdc_FlashPartnersLtdMember" xlink:label="loc_wdc_FlashPartnersLtdMember_21D7D89DBF96F6B75F01B03DD82B2DDC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_FlashPartnersLtdMember_21D7D89DBF96F6B75F01B03DD82B2DDC" xlink:to="lab_wdc_FlashPartnersLtdMember_21D7D89DBF96F6B75F01B03DD82B2DDC" xlink:type="arc"/>
<link:label id="lab_wdc_FlashAllianceLtdMember_F64E16BAC341DCACC76EB03DD82CBE5C_terseLabel_en-US" xlink:label="lab_wdc_FlashAllianceLtdMember_F64E16BAC341DCACC76EB03DD82CBE5C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Flash Alliance Ltd </link:label>
<link:label id="lab_wdc_FlashAllianceLtdMember_F64E16BAC341DCACC76EB03DD82CBE5C_label_en-US" xlink:label="lab_wdc_FlashAllianceLtdMember_F64E16BAC341DCACC76EB03DD82CBE5C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Flash Alliance Ltd [Member] </link:label>
<link:label id="lab_wdc_FlashAllianceLtdMember_F64E16BAC341DCACC76EB03DD82CBE5C_documentation_en-US" xlink:label="lab_wdc_FlashAllianceLtdMember_F64E16BAC341DCACC76EB03DD82CBE5C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Flash Alliance Ltd. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_FlashAllianceLtdMember" xlink:label="loc_wdc_FlashAllianceLtdMember_F64E16BAC341DCACC76EB03DD82CBE5C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_FlashAllianceLtdMember_F64E16BAC341DCACC76EB03DD82CBE5C" xlink:to="lab_wdc_FlashAllianceLtdMember_F64E16BAC341DCACC76EB03DD82CBE5C" xlink:type="arc"/>
<link:label id="lab_wdc_FlashForwardLtdMember_D8608B49D9B0F91A6B73B03DD82CCB90_terseLabel_en-US" xlink:label="lab_wdc_FlashForwardLtdMember_D8608B49D9B0F91A6B73B03DD82CCB90" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Flash Forward Ltd </link:label>
<link:label id="lab_wdc_FlashForwardLtdMember_D8608B49D9B0F91A6B73B03DD82CCB90_label_en-US" xlink:label="lab_wdc_FlashForwardLtdMember_D8608B49D9B0F91A6B73B03DD82CCB90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Flash Forward Ltd [Member] </link:label>
<link:label id="lab_wdc_FlashForwardLtdMember_D8608B49D9B0F91A6B73B03DD82CCB90_documentation_en-US" xlink:label="lab_wdc_FlashForwardLtdMember_D8608B49D9B0F91A6B73B03DD82CCB90" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Flash Forward Ltd. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_FlashForwardLtdMember" xlink:label="loc_wdc_FlashForwardLtdMember_D8608B49D9B0F91A6B73B03DD82CCB90" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_FlashForwardLtdMember_D8608B49D9B0F91A6B73B03DD82CCB90" xlink:to="lab_wdc_FlashForwardLtdMember_D8608B49D9B0F91A6B73B03DD82CCB90" xlink:type="arc"/>
<link:label id="lab_us-gaap_EquityMethodInvesteeMember_6DFD6337BD53EA6C6BBCB03DD82C9649_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvesteeMember_6DFD6337BD53EA6C6BBCB03DD82C9649" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Method Investee </link:label>
<link:label id="lab_us-gaap_EquityMethodInvesteeMember_6DFD6337BD53EA6C6BBCB03DD82C9649_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvesteeMember_6DFD6337BD53EA6C6BBCB03DD82C9649" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investee [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvesteeMember" xlink:label="loc_us-gaap_EquityMethodInvesteeMember_6DFD6337BD53EA6C6BBCB03DD82C9649" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvesteeMember_6DFD6337BD53EA6C6BBCB03DD82C9649" xlink:to="lab_us-gaap_EquityMethodInvesteeMember_6DFD6337BD53EA6C6BBCB03DD82C9649" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_BC845D91090C6E510EA5B03DD82CDE99_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_BC845D91090C6E510EA5B03DD82CDE99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts, Notes, Loans and Financing Receivable [Line Items] </link:label>
<link:label id="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_BC845D91090C6E510EA5B03DD82CDE99_label_en-US" xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_BC845D91090C6E510EA5B03DD82CDE99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts, Notes, Loans and Financing Receivable [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_BC845D91090C6E510EA5B03DD82CDE99" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_BC845D91090C6E510EA5B03DD82CDE99" xlink:to="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_BC845D91090C6E510EA5B03DD82CDE99" xlink:type="arc"/>
<link:label id="lab_us-gaap_NotesReceivableRelatedParties_E78C07C0490C2C66D54DB03DD82D2089_terseLabel_en-US" xlink:label="lab_us-gaap_NotesReceivableRelatedParties_E78C07C0490C2C66D54DB03DD82D2089" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes receivable, related parties </link:label>
<link:label id="lab_us-gaap_NotesReceivableRelatedParties_E78C07C0490C2C66D54DB03DD82D2089_label_en-US" xlink:label="lab_us-gaap_NotesReceivableRelatedParties_E78C07C0490C2C66D54DB03DD82D2089" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes Receivable, Related Parties </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesReceivableRelatedParties" xlink:label="loc_us-gaap_NotesReceivableRelatedParties_E78C07C0490C2C66D54DB03DD82D2089" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesReceivableRelatedParties_E78C07C0490C2C66D54DB03DD82D2089" xlink:to="lab_us-gaap_NotesReceivableRelatedParties_E78C07C0490C2C66D54DB03DD82D2089" xlink:type="arc"/>
<link:label id="lab_us-gaap_Investments_2E4E6B297C93726116D9B03DD82D6729_terseLabel_en-US" xlink:label="lab_us-gaap_Investments_2E4E6B297C93726116D9B03DD82D6729" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investments </link:label>
<link:label id="lab_us-gaap_Investments_2E4E6B297C93726116D9B03DD82D6729_label_en-US" xlink:label="lab_us-gaap_Investments_2E4E6B297C93726116D9B03DD82D6729" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Investments" xlink:label="loc_us-gaap_Investments_2E4E6B297C93726116D9B03DD82D6729" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Investments_2E4E6B297C93726116D9B03DD82D6729" xlink:to="lab_us-gaap_Investments_2E4E6B297C93726116D9B03DD82D6729" xlink:type="arc"/>
<link:label id="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_83DC88933EE3EB7CDA86B03DD82D22FD_totalLabel_en-US" xlink:label="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_83DC88933EE3EB7CDA86B03DD82D22FD" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Notes receivable and investments in Flash Ventures </link:label>
<link:label id="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_83DC88933EE3EB7CDA86B03DD82D22FD_label_en-US" xlink:label="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_83DC88933EE3EB7CDA86B03DD82D22FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Notes Receivable And Investments In Related Parties </link:label>
<link:label id="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_83DC88933EE3EB7CDA86B03DD82D22FD_documentation_en-US" xlink:label="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_83DC88933EE3EB7CDA86B03DD82D22FD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The total amount of investments in joint ventures that are intended to be held for an extended period of time (longer than one operating cycle) and loans due from and receivables due from the joint ventures. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_NotesReceivableAndInvestmentsInRelatedParties" xlink:label="loc_wdc_NotesReceivableAndInvestmentsInRelatedParties_83DC88933EE3EB7CDA86B03DD82D22FD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_NotesReceivableAndInvestmentsInRelatedParties_83DC88933EE3EB7CDA86B03DD82D22FD" xlink:to="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_83DC88933EE3EB7CDA86B03DD82D22FD" xlink:type="arc"/>
<link:label id="lab_us-gaap_RetirementPlanSponsorLocationAxis_673DA331A9D142D70E37BF31A30BFE4B_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationAxis_673DA331A9D142D70E37BF31A30BFE4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retirement Plan Sponsor Location [Axis] </link:label>
<link:label id="lab_us-gaap_RetirementPlanSponsorLocationAxis_673DA331A9D142D70E37BF31A30BFE4B_label_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationAxis_673DA331A9D142D70E37BF31A30BFE4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Plan Sponsor Location [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanSponsorLocationAxis" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationAxis_673DA331A9D142D70E37BF31A30BFE4B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_673DA331A9D142D70E37BF31A30BFE4B" xlink:to="lab_us-gaap_RetirementPlanSponsorLocationAxis_673DA331A9D142D70E37BF31A30BFE4B" xlink:type="arc"/>
<link:label id="lab_us-gaap_RetirementPlanSponsorLocationDomain_93975FA0931AD631711ABF31A30C595F_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationDomain_93975FA0931AD631711ABF31A30C595F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Retirement Plan Sponsor Location [Domain] </link:label>
<link:label id="lab_us-gaap_RetirementPlanSponsorLocationDomain_93975FA0931AD631711ABF31A30C595F_label_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationDomain_93975FA0931AD631711ABF31A30C595F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retirement Plan Sponsor Location [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanSponsorLocationDomain" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_93975FA0931AD631711ABF31A30C595F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationDomain_93975FA0931AD631711ABF31A30C595F" xlink:to="lab_us-gaap_RetirementPlanSponsorLocationDomain_93975FA0931AD631711ABF31A30C595F" xlink:type="arc"/>
<link:label id="lab_us-gaap_ForeignPlanMember_E3C90CFC907D50D0FA98BF31A30C8D67_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignPlanMember_E3C90CFC907D50D0FA98BF31A30C8D67" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Japan Plan </link:label>
<link:label id="lab_us-gaap_ForeignPlanMember_E3C90CFC907D50D0FA98BF31A30C8D67_label_en-US" xlink:label="lab_us-gaap_ForeignPlanMember_E3C90CFC907D50D0FA98BF31A30C8D67" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Plan [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignPlanMember" xlink:label="loc_us-gaap_ForeignPlanMember_E3C90CFC907D50D0FA98BF31A30C8D67" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignPlanMember_E3C90CFC907D50D0FA98BF31A30C8D67" xlink:to="lab_us-gaap_ForeignPlanMember_E3C90CFC907D50D0FA98BF31A30C8D67" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_F8D297213B72839F93F7BF31A30DDE31_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_F8D297213B72839F93F7BF31A30DDE31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Discount rate </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_F8D297213B72839F93F7BF31A30DDE31_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_F8D297213B72839F93F7BF31A30DDE31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_F8D297213B72839F93F7BF31A30DDE31" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_F8D297213B72839F93F7BF31A30DDE31" xlink:to="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_F8D297213B72839F93F7BF31A30DDE31" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_98987F47A3109D8B893EBF31A30DF330_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_98987F47A3109D8B893EBF31A30DF330" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected long-term rate of return on plan assets </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_98987F47A3109D8B893EBF31A30DF330_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_98987F47A3109D8B893EBF31A30DF330" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_98987F47A3109D8B893EBF31A30DF330" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_98987F47A3109D8B893EBF31A30DF330" xlink:to="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_98987F47A3109D8B893EBF31A30DF330" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease_23D7ECEA67D78FBA1B77BF31A30D6A1A_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease_23D7ECEA67D78FBA1B77BF31A30D6A1A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Rate of compensation increase </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease_23D7ECEA67D78FBA1B77BF31A30D6A1A_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease_23D7ECEA67D78FBA1B77BF31A30D6A1A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" xlink:label="loc_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease_23D7ECEA67D78FBA1B77BF31A30D6A1A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedContributionPlanDisclosuresTableTextBlock_BF8D60DC1E24889E27F7B03DD78C8E78_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanDisclosuresTableTextBlock_BF8D60DC1E24889E27F7B03DD78C8E78" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Western Digital Corporation 401(k) Plan </link:label>
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<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_EF6D60531A7E0EE64A23B03DD74CFD75_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_EF6D60531A7E0EE64A23B03DD74CFD75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] </link:label>
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<link:label id="lab_us-gaap_AwardTypeAxis_4F8EFF7EEC2EA7BB9A97B03DD74C3857_label_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_4F8EFF7EEC2EA7BB9A97B03DD74C3857" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Award Type [Axis] </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3038BEA691807C0AEB2EB03DD74D5C2F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3038BEA691807C0AEB2EB03DD74D5C2F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Award Type [Domain] </link:label>
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<link:label id="lab_us-gaap_EmployeeStockOptionMember_96ACEF252A5628B4F61CB03DD7528A56_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOptionMember_96ACEF252A5628B4F61CB03DD7528A56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options </link:label>
<link:label id="lab_us-gaap_EmployeeStockOptionMember_96ACEF252A5628B4F61CB03DD7528A56_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOptionMember_96ACEF252A5628B4F61CB03DD7528A56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Option [Member] </link:label>
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<link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_02698F8AAB16BD86A49BB03DD7530E21_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_02698F8AAB16BD86A49BB03DD7530E21" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted and performance stock units </link:label>
<link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_02698F8AAB16BD86A49BB03DD7530E21_label_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_02698F8AAB16BD86A49BB03DD7530E21" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Restricted Stock Units (RSUs) [Member] </link:label>
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<link:label id="lab_wdc_EmployeeStockPurchasePlanMember_08A6DE3473D38E89CBEAB03DD7532D89_terseLabel_en-US" xlink:label="lab_wdc_EmployeeStockPurchasePlanMember_08A6DE3473D38E89CBEAB03DD7532D89" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee stock purchase plan </link:label>
<link:label id="lab_wdc_EmployeeStockPurchasePlanMember_08A6DE3473D38E89CBEAB03DD7532D89_label_en-US" xlink:label="lab_wdc_EmployeeStockPurchasePlanMember_08A6DE3473D38E89CBEAB03DD7532D89" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock Purchase Plan [Member] </link:label>
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<link:loc xlink:href="wdc-20190628.xsd#wdc_EmployeeStockPurchasePlanMember" xlink:label="loc_wdc_EmployeeStockPurchasePlanMember_08A6DE3473D38E89CBEAB03DD7532D89" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeStatementLocationAxis_221AF4DDE0C69AF7780FB03DD7538B13_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_221AF4DDE0C69AF7780FB03DD7538B13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Axis] </link:label>
<link:label id="lab_us-gaap_IncomeStatementLocationAxis_221AF4DDE0C69AF7780FB03DD7538B13_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_221AF4DDE0C69AF7780FB03DD7538B13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Axis] </link:label>
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<link:label id="lab_us-gaap_IncomeStatementLocationDomain_633721E8038A581537DBB03DD753A987_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain_633721E8038A581537DBB03DD753A987" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Statement Location [Domain] </link:label>
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<link:label id="lab_us-gaap_CostOfSalesMember_53A5593A1AAC7553F6F9B03DD753C0A4_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfSalesMember_53A5593A1AAC7553F6F9B03DD753C0A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of revenue </link:label>
<link:label id="lab_us-gaap_CostOfSalesMember_53A5593A1AAC7553F6F9B03DD753C0A4_label_en-US" xlink:label="lab_us-gaap_CostOfSalesMember_53A5593A1AAC7553F6F9B03DD753C0A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Sales [Member] </link:label>
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<link:label id="lab_us-gaap_ResearchAndDevelopmentExpenseMember_27BDDD7E443F96053A6AB03DD75443C9_terseLabel_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpenseMember_27BDDD7E443F96053A6AB03DD75443C9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Research and development </link:label>
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<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_F7ED5961174AD1B15E4BB03DD755075D_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_F7ED5961174AD1B15E4BB03DD755075D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Tax benefit </link:label>
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<link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_1FFA613578D8DD7798D0B03DD755A894_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_1FFA613578D8DD7798D0B03DD755A894" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Expense, after Tax </link:label>
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<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_FE2A8E13E2B82D945971B03DD8C905CD_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_FE2A8E13E2B82D945971B03DD8C905CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill and Other Intangible Assets </link:label>
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<link:label id="lab_wdc_NotesReceivableAndInvestmentsInRelatedPartiesTableTextBlock_A1CDC5BED4C5EEE4505AB03DD8572DAB_terseLabel_en-US" xlink:label="lab_wdc_NotesReceivableAndInvestmentsInRelatedPartiesTableTextBlock_A1CDC5BED4C5EEE4505AB03DD8572DAB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes Receivable and Investments in Related Parties </link:label>
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<link:label id="lab_wdc_VariableInterestEntityMaximumLossExposureTableTextBlock_B298541177231653E931B03DD857DC1E_terseLabel_en-US" xlink:label="lab_wdc_VariableInterestEntityMaximumLossExposureTableTextBlock_B298541177231653E931B03DD857DC1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Interest Entity Maximum Loss Exposure </link:label>
<link:label id="lab_wdc_VariableInterestEntityMaximumLossExposureTableTextBlock_B298541177231653E931B03DD857DC1E_label_en-US" xlink:label="lab_wdc_VariableInterestEntityMaximumLossExposureTableTextBlock_B298541177231653E931B03DD857DC1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Interest Entity Maximum Loss Exposure [Table Text Block] </link:label>
<link:label id="lab_wdc_VariableInterestEntityMaximumLossExposureTableTextBlock_B298541177231653E931B03DD857DC1E_documentation_en-US" xlink:label="lab_wdc_VariableInterestEntityMaximumLossExposureTableTextBlock_B298541177231653E931B03DD857DC1E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Enterprise's maximum exposure to loss as a result of its involvement with the VIE, including how the maximum exposure is determined, the significant sources of the enterprise's exposure to the VIE, and the differences between the maximum exposure to loss and the liability recognized in its financial statements. It may also include factors such as the fair market value at which the registrant is carrying an asset and registrant guarantees. Also, whether the enterprise's maximum exposure to loss as a result of its involvement with the VIE cannot be quantified. In general, a VIE is a corporation, partnership, trust, or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities. A VIE often holds financial assets, including loans or receivables, real estate or other property. A VIE may be essentially passive or it may engage in research and development or other activities on behalf of another company. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_VariableInterestEntityMaximumLossExposureTableTextBlock" xlink:label="loc_wdc_VariableInterestEntityMaximumLossExposureTableTextBlock_B298541177231653E931B03DD857DC1E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfGuaranteeObligationsTextBlock_FBAC6C002AC1C4D92FF1B03DD857C5C4_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGuaranteeObligationsTextBlock_FBAC6C002AC1C4D92FF1B03DD857C5C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Guarantor Obligations </link:label>
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<link:label id="lab_wdc_RemainingGuaranteeObligationsTableTextBlock_B2CF6B964BF61492F77AB03DD857DAEE_terseLabel_en-US" xlink:label="lab_wdc_RemainingGuaranteeObligationsTableTextBlock_B2CF6B964BF61492F77AB03DD857DAEE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Remaining Guarantee Obligations </link:label>
<link:label id="lab_wdc_RemainingGuaranteeObligationsTableTextBlock_B2CF6B964BF61492F77AB03DD857DAEE_label_en-US" xlink:label="lab_wdc_RemainingGuaranteeObligationsTableTextBlock_B2CF6B964BF61492F77AB03DD857DAEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Remaining Guarantee Obligations [Table Text Block] </link:label>
<link:label id="lab_wdc_RemainingGuaranteeObligationsTableTextBlock_B2CF6B964BF61492F77AB03DD857DAEE_documentation_en-US" xlink:label="lab_wdc_RemainingGuaranteeObligationsTableTextBlock_B2CF6B964BF61492F77AB03DD857DAEE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Represents the guarantor's disclosures which should include the information about each guarantee, or each group of similar guarantees, even if the likelihood of the guarantor's having to make any payments under the guarantee is remote. This excludes disclosures for product warranties. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_RemainingGuaranteeObligationsTableTextBlock" xlink:label="loc_wdc_RemainingGuaranteeObligationsTableTextBlock_B2CF6B964BF61492F77AB03DD857DAEE" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_5DD30471F54CFF01EC4AB03DD8574DCC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_5DD30471F54CFF01EC4AB03DD8574DCC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Future Minimum Rental Payments for Operating Leases </link:label>
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<link:label id="lab_us-gaap_ScheduleOfRentExpenseTableTextBlock_A1C67971348F0C3E5064B03DD8589BD5_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRentExpenseTableTextBlock_A1C67971348F0C3E5064B03DD8589BD5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Rent Expense </link:label>
<link:label id="lab_us-gaap_ScheduleOfRentExpenseTableTextBlock_A1C67971348F0C3E5064B03DD8589BD5_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRentExpenseTableTextBlock_A1C67971348F0C3E5064B03DD8589BD5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Rent Expense [Table Text Block] </link:label>
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<link:label id="lab_srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_F9F4A208216EFF0CE28EB03DD858F68E_terseLabel_en-US" xlink:label="lab_srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock_F9F4A208216EFF0CE28EB03DD858F68E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Long-term Purchase Commitments </link:label>
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<link:label id="lab_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_3C4853728394A08C02C0B03DD56E5896_label_en-US" xlink:label="lab_srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract_3C4853728394A08C02C0B03DD56E5896" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Financial Information Disclosure [Abstract] </link:label>
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<link:label id="lab_srt_ScheduleOfCondensedIncomeStatementTableTextBlock_0620D0421C3046CD9BA9B03DD56F72BE_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfCondensedIncomeStatementTableTextBlock_0620D0421C3046CD9BA9B03DD56F72BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Income Statement </link:label>
<link:label id="lab_srt_ScheduleOfCondensedIncomeStatementTableTextBlock_0620D0421C3046CD9BA9B03DD56F72BE_label_en-US" xlink:label="lab_srt_ScheduleOfCondensedIncomeStatementTableTextBlock_0620D0421C3046CD9BA9B03DD56F72BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Income Statement [Table Text Block] </link:label>
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<link:label id="lab_srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_E55CFCD70744FA1542FFB03DD56F1FB9_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfCondensedCashFlowStatementTableTextBlock_E55CFCD70744FA1542FFB03DD56F1FB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Cash Flow Statement </link:label>
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<link:label id="lab_wdc_TaxScenarioAxis_4E8036E53C2F10E36052B03DD7858B61_terseLabel_en-US" xlink:label="lab_wdc_TaxScenarioAxis_4E8036E53C2F10E36052B03DD7858B61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tax Scenario [Axis] </link:label>
<link:label id="lab_wdc_TaxScenarioAxis_4E8036E53C2F10E36052B03DD7858B61_label_en-US" xlink:label="lab_wdc_TaxScenarioAxis_4E8036E53C2F10E36052B03DD7858B61" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Scenario [Axis] </link:label>
<link:label id="lab_wdc_TaxScenarioAxis_4E8036E53C2F10E36052B03DD7858B61_documentation_en-US" xlink:label="lab_wdc_TaxScenarioAxis_4E8036E53C2F10E36052B03DD7858B61" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Tax Scenario [Axis] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_TaxScenarioAxis" xlink:label="loc_wdc_TaxScenarioAxis_4E8036E53C2F10E36052B03DD7858B61" xlink:type="locator"/>
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<link:label id="lab_wdc_TaxScenarioDomain_B2FA7A70F92D0F133F96B03DD7856DD3_terseLabel_en-US" xlink:label="lab_wdc_TaxScenarioDomain_B2FA7A70F92D0F133F96B03DD7856DD3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Tax Scenario [Domain] </link:label>
<link:label id="lab_wdc_TaxScenarioDomain_B2FA7A70F92D0F133F96B03DD7856DD3_label_en-US" xlink:label="lab_wdc_TaxScenarioDomain_B2FA7A70F92D0F133F96B03DD7856DD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Scenario [Domain] </link:label>
<link:label id="lab_wdc_TaxScenarioDomain_B2FA7A70F92D0F133F96B03DD7856DD3_documentation_en-US" xlink:label="lab_wdc_TaxScenarioDomain_B2FA7A70F92D0F133F96B03DD7856DD3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Domain] for Tax Scenario [Axis] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_TaxScenarioDomain" xlink:label="loc_wdc_TaxScenarioDomain_B2FA7A70F92D0F133F96B03DD7856DD3" xlink:type="locator"/>
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<link:label id="lab_wdc_PreTaxMember_54E4A3CDF9D2BF5DC13CB03DD786035E_terseLabel_en-US" xlink:label="lab_wdc_PreTaxMember_54E4A3CDF9D2BF5DC13CB03DD786035E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pre-Tax </link:label>
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<link:loc xlink:href="wdc-20190628.xsd#wdc_PreTaxMember" xlink:label="loc_wdc_PreTaxMember_54E4A3CDF9D2BF5DC13CB03DD786035E" xlink:type="locator"/>
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<link:label id="lab_wdc_PostTaxMember_F7B44E503D97725D013AB03DD78687D4_terseLabel_en-US" xlink:label="lab_wdc_PostTaxMember_F7B44E503D97725D013AB03DD78687D4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Post-Tax </link:label>
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<link:label id="lab_wdc_PostTaxMember_F7B44E503D97725D013AB03DD78687D4_documentation_en-US" xlink:label="lab_wdc_PostTaxMember_F7B44E503D97725D013AB03DD78687D4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Post-Tax [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_PostTaxMember" xlink:label="loc_wdc_PostTaxMember_F7B44E503D97725D013AB03DD78687D4" xlink:type="locator"/>
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<link:label id="lab_wdc_AfterAmendmentMember_21C116AA53C7499C5014B03DD7865DBB_terseLabel_en-US" xlink:label="lab_wdc_AfterAmendmentMember_21C116AA53C7499C5014B03DD7865DBB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> After Amendment </link:label>
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<link:loc xlink:href="wdc-20190628.xsd#wdc_AfterAmendmentMember" xlink:label="loc_wdc_AfterAmendmentMember_21C116AA53C7499C5014B03DD7865DBB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_35DDBE6FCB217E31A8BFB03DD787FA8B_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent_35DDBE6FCB217E31A8BFB03DD787FA8B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined contribution plan, maximum annual contributions per employee, percent </link:label>
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<link:label id="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_2BAF0BDE1530DEC91475B03DD7872A4F_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent_2BAF0BDE1530DEC91475B03DD7872A4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined contribution plan, employer matching contribution, percent of employees' gross pay </link:label>
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<link:label id="lab_wdc_CompanyContributionsVestPeriod_7AD14104B3CCCC74C14FB03DD787932A_terseLabel_en-US" xlink:label="lab_wdc_CompanyContributionsVestPeriod_7AD14104B3CCCC74C14FB03DD787932A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Company contributions vest period </link:label>
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<link:label id="lab_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_270869731F2A166FCCC3B03DD787F027_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount_270869731F2A166FCCC3B03DD787F027" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined contribution plan, employer discretionary contribution amount </link:label>
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<link:label id="lab_us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock_FF9CDFAFAC0EAFB1DA83B03DD89B96A9_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock_FF9CDFAFAC0EAFB1DA83B03DD89B96A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unfunded Amounts Recognized on Consolidated Balance Sheets </link:label>
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<link:label id="lab_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock_FD80BB3B68BFFB707E6BB03DD89BEEE6_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock_FD80BB3B68BFFB707E6BB03DD89BEEE6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Assumptions Used </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_0C7E1264D3874057D99EB03DD7335D2D_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_0C7E1264D3874057D99EB03DD7335D2D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Canceled or expired, shares </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_0C7E1264D3874057D99EB03DD7335D2D_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_0C7E1264D3874057D99EB03DD7335D2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_0C7E1264D3874057D99EB03DD7335D2D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_0C7E1264D3874057D99EB03DD7335D2D" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_0C7E1264D3874057D99EB03DD7335D2D" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_CE927781C0F207728510B03DD73490AE_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_CE927781C0F207728510B03DD73490AE" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Options outstanding, ending balance, shares </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_CE927781C0F207728510B03DD73490AE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_CE927781C0F207728510B03DD73490AE" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_CE927781C0F207728510B03DD73490AE" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_078A214F397E085A8553B03DD734FDDB_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_078A214F397E085A8553B03DD734FDDB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable, period end, shares </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_078A214F397E085A8553B03DD734FDDB_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_078A214F397E085A8553B03DD734FDDB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_078A214F397E085A8553B03DD734FDDB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_078A214F397E085A8553B03DD734FDDB" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_078A214F397E085A8553B03DD734FDDB" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_FD8F883D96721C5B12B4B03DD734AC40_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_FD8F883D96721C5B12B4B03DD734AC40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Exercise Price Per Share </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_FD8F883D96721C5B12B4B03DD734AC40_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_FD8F883D96721C5B12B4B03DD734AC40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_FD8F883D96721C5B12B4B03DD734AC40" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_FD8F883D96721C5B12B4B03DD734AC40" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_FD8F883D96721C5B12B4B03DD734AC40" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_DA49BE1592B4D065B50FB03DD734C974_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_DA49BE1592B4D065B50FB03DD734C974" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Options outstanding, beginning balance, exercise price, in dollars per share </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_DA49BE1592B4D065B50FB03DD734C974_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_DA49BE1592B4D065B50FB03DD734C974" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_DA49BE1592B4D065B50FB03DD734C974" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_DA49BE1592B4D065B50FB03DD734C974" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_DA49BE1592B4D065B50FB03DD734C974" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_7DFCFEBCEAB277CE67BAB03DD73429A9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_7DFCFEBCEAB277CE67BAB03DD73429A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Granted, exercise price, in dollars per share </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_7DFCFEBCEAB277CE67BAB03DD73429A9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_7DFCFEBCEAB277CE67BAB03DD73429A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_7DFCFEBCEAB277CE67BAB03DD73429A9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_7DFCFEBCEAB277CE67BAB03DD73429A9" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_7DFCFEBCEAB277CE67BAB03DD73429A9" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_166F403A437235F551BAB03DD7354030_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_166F403A437235F551BAB03DD7354030" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercised, exercise price, in dollars per share </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_166F403A437235F551BAB03DD7354030_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_166F403A437235F551BAB03DD7354030" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_166F403A437235F551BAB03DD7354030" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_166F403A437235F551BAB03DD7354030" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_166F403A437235F551BAB03DD7354030" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_A4431D8E4495312B18B2B03DD735F924_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_A4431D8E4495312B18B2B03DD735F924" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Canceled or expired, exercise price, in dollars per share </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_A4431D8E4495312B18B2B03DD735F924_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_A4431D8E4495312B18B2B03DD735F924" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_A4431D8E4495312B18B2B03DD735F924" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_A4431D8E4495312B18B2B03DD735F924" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_A4431D8E4495312B18B2B03DD735F924" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_4FA29F18C119C5799993B03DD7352F9E_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_4FA29F18C119C5799993B03DD7352F9E" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Options outstanding, ending balance, exercise price, in dollars per share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_4FA29F18C119C5799993B03DD7352F9E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_4FA29F18C119C5799993B03DD7352F9E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_4FA29F18C119C5799993B03DD7352F9E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_5E6D704A3602B11BEE0DB03DD7357D51_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_5E6D704A3602B11BEE0DB03DD7357D51" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable, period end, exercise price, in dollars per share </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_5E6D704A3602B11BEE0DB03DD7357D51_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_5E6D704A3602B11BEE0DB03DD7357D51" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_5E6D704A3602B11BEE0DB03DD7357D51" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_5E6D704A3602B11BEE0DB03DD7357D51" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_5E6D704A3602B11BEE0DB03DD7357D51" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_532D599ABCAEBEC660B8B03DD73615E7_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_532D599ABCAEBEC660B8B03DD73615E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate Intrinsic Value </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_532D599ABCAEBEC660B8B03DD73615E7_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_532D599ABCAEBEC660B8B03DD73615E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_532D599ABCAEBEC660B8B03DD73615E7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_532D599ABCAEBEC660B8B03DD73615E7" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_532D599ABCAEBEC660B8B03DD73615E7" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E9C76D3774BEAC13BCEFB03DD7364EC9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E9C76D3774BEAC13BCEFB03DD7364EC9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercised, intrinsic value </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E9C76D3774BEAC13BCEFB03DD7364EC9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E9C76D3774BEAC13BCEFB03DD7364EC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E9C76D3774BEAC13BCEFB03DD7364EC9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_13A4A724B4024192328FB03DD73642AF_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_13A4A724B4024192328FB03DD73642AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options outstanding, ending balance, intrinsic value </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_13A4A724B4024192328FB03DD73642AF_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_13A4A724B4024192328FB03DD73642AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_13A4A724B4024192328FB03DD73642AF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_13A4A724B4024192328FB03DD73642AF" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_13A4A724B4024192328FB03DD73642AF" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_27F941E37CD13CF7D919B03DD73672D1_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_27F941E37CD13CF7D919B03DD73672D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable, period end, intrinsic value </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_27F941E37CD13CF7D919B03DD73672D1_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_27F941E37CD13CF7D919B03DD73672D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_27F941E37CD13CF7D919B03DD73672D1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_27F941E37CD13CF7D919B03DD73672D1" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_27F941E37CD13CF7D919B03DD73672D1" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_C272393319E614590541B03DD7373288_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_C272393319E614590541B03DD7373288" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Options outstanding, weighted average remaining contractual term </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_C272393319E614590541B03DD7373288_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_C272393319E614590541B03DD7373288" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_C272393319E614590541B03DD7373288" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_C272393319E614590541B03DD7373288" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_C272393319E614590541B03DD7373288" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_DBA728C94D8F31CDBB64B03DD737C2FD_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_DBA728C94D8F31CDBB64B03DD737C2FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Exercisable, period end, weighted average remaining contractual life </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_DBA728C94D8F31CDBB64B03DD737C2FD_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_DBA728C94D8F31CDBB64B03DD737C2FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_DBA728C94D8F31CDBB64B03DD737C2FD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_DBA728C94D8F31CDBB64B03DD737C2FD" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_DBA728C94D8F31CDBB64B03DD737C2FD" xlink:type="arc"/>
<link:label id="lab_wdc_SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_D36544B6C3AC724FED9CB03DD6F7F329_terseLabel_en-US" xlink:label="lab_wdc_SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_D36544B6C3AC724FED9CB03DD6F7F329" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Suboptimal exercise factor </link:label>
<link:label id="lab_wdc_SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_D36544B6C3AC724FED9CB03DD6F7F329_label_en-US" xlink:label="lab_wdc_SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_D36544B6C3AC724FED9CB03DD6F7F329" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Fair Value Assumptions Sub-optimal Exercise Factor </link:label>
<link:label id="lab_wdc_SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_D36544B6C3AC724FED9CB03DD6F7F329_documentation_en-US" xlink:label="lab_wdc_SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_D36544B6C3AC724FED9CB03DD6F7F329" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Factor to estimate the amount of option exercises prior to the end of their respective term. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor" xlink:label="loc_wdc_SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_D36544B6C3AC724FED9CB03DD6F7F329" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_D36544B6C3AC724FED9CB03DD6F7F329" xlink:to="lab_wdc_SharebasedCompensationFairValueAssumptionsSuboptimalExerciseFactor_D36544B6C3AC724FED9CB03DD6F7F329" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_034E8A0CBF988E0D7FD6B03DD6F7CAE5_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_034E8A0CBF988E0D7FD6B03DD6F7CAE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Risk free interest rate, minimum </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_034E8A0CBF988E0D7FD6B03DD6F7CAE5_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_034E8A0CBF988E0D7FD6B03DD6F7CAE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_034E8A0CBF988E0D7FD6B03DD6F7CAE5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_034E8A0CBF988E0D7FD6B03DD6F7CAE5" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_034E8A0CBF988E0D7FD6B03DD6F7CAE5" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_B54206A289FA96C5109DB03DD6F74493_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_B54206A289FA96C5109DB03DD6F74493" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Risk free interest rate, maximum </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_B54206A289FA96C5109DB03DD6F74493_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_B54206A289FA96C5109DB03DD6F74493" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_B54206A289FA96C5109DB03DD6F74493" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_B54206A289FA96C5109DB03DD6F74493" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_B54206A289FA96C5109DB03DD6F74493" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_66253D5A8045FB79B056B03DD6F766B6_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_66253D5A8045FB79B056B03DD6F766B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected stock price volatility, minimum </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_66253D5A8045FB79B056B03DD6F766B6_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_66253D5A8045FB79B056B03DD6F766B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_66253D5A8045FB79B056B03DD6F766B6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_66253D5A8045FB79B056B03DD6F766B6" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_66253D5A8045FB79B056B03DD6F766B6" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_7E3F394F488CD2DD3E61B03DD6F78DB9_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_7E3F394F488CD2DD3E61B03DD6F78DB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected stock price volatility, maximum </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_7E3F394F488CD2DD3E61B03DD6F78DB9_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_7E3F394F488CD2DD3E61B03DD6F78DB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_7E3F394F488CD2DD3E61B03DD6F78DB9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_7E3F394F488CD2DD3E61B03DD6F78DB9" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_7E3F394F488CD2DD3E61B03DD6F78DB9" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_AF3B8A28F250D6245328B03DD6F88B0F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_AF3B8A28F250D6245328B03DD6F88B0F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted-average expected volatility </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_AF3B8A28F250D6245328B03DD6F88B0F_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_AF3B8A28F250D6245328B03DD6F88B0F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_AF3B8A28F250D6245328B03DD6F88B0F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_AF3B8A28F250D6245328B03DD6F88B0F" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate_AF3B8A28F250D6245328B03DD6F88B0F" xlink:type="arc"/>
<link:label id="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_DC5F14D6A4B1318F597DB03DD6F86323_terseLabel_en-US" xlink:label="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_DC5F14D6A4B1318F597DB03DD6F86323" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Post-vesting termination rate </link:label>
<link:label id="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_DC5F14D6A4B1318F597DB03DD6F86323_label_en-US" xlink:label="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_DC5F14D6A4B1318F597DB03DD6F86323" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Based Compensation Fair Value Assumptions Post Vesting Termination Rate </link:label>
<link:label id="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_DC5F14D6A4B1318F597DB03DD6F86323_documentation_en-US" xlink:label="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_DC5F14D6A4B1318F597DB03DD6F86323" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Factor to estimate the amount of vested options that will be exercised within 90 days as a result of employee termination. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate" xlink:label="loc_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_DC5F14D6A4B1318F597DB03DD6F86323" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_DC5F14D6A4B1318F597DB03DD6F86323" xlink:to="lab_wdc_ShareBasedCompensationFairValueAssumptionsPostVestingTerminationRate_DC5F14D6A4B1318F597DB03DD6F86323" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_52FB5282F17D01A13F9BB03DD6F86682_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_52FB5282F17D01A13F9BB03DD6F86682" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividend yield </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_52FB5282F17D01A13F9BB03DD6F86682_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_52FB5282F17D01A13F9BB03DD6F86682" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_52FB5282F17D01A13F9BB03DD6F86682" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_52FB5282F17D01A13F9BB03DD6F86682" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_52FB5282F17D01A13F9BB03DD6F86682" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_451589606D64A48405D1B03DD6F85A33_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_451589606D64A48405D1B03DD6F85A33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair value (in dollars per share) </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_451589606D64A48405D1B03DD6F85A33_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_451589606D64A48405D1B03DD6F85A33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_451589606D64A48405D1B03DD6F85A33" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_451589606D64A48405D1B03DD6F85A33" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_451589606D64A48405D1B03DD6F85A33" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_E9C74140ED75A6CC73F7B03DD6F8575A_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_E9C74140ED75A6CC73F7B03DD6F8575A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected term </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_E9C74140ED75A6CC73F7B03DD6F8575A_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_E9C74140ED75A6CC73F7B03DD6F8575A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_E9C74140ED75A6CC73F7B03DD6F8575A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_E9C74140ED75A6CC73F7B03DD6F8575A" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_E9C74140ED75A6CC73F7B03DD6F8575A" xlink:type="arc"/>
<link:label id="lab_wdc_RevenuebyEndMarketAbstract_C0176A7581E655C374EFBF339D09B3D1_label_en-US" xlink:label="lab_wdc_RevenuebyEndMarketAbstract_C0176A7581E655C374EFBF339D09B3D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue by End Market [Abstract] </link:label>
<link:label id="lab_wdc_RevenuebyEndMarketAbstract_C0176A7581E655C374EFBF339D09B3D1_documentation_en-US" xlink:label="lab_wdc_RevenuebyEndMarketAbstract_C0176A7581E655C374EFBF339D09B3D1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Revenue by End Market [Abstract] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_RevenuebyEndMarketAbstract" xlink:label="loc_wdc_RevenuebyEndMarketAbstract_C0176A7581E655C374EFBF339D09B3D1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_RevenuebyEndMarketAbstract_C0176A7581E655C374EFBF339D09B3D1" xlink:to="lab_wdc_RevenuebyEndMarketAbstract_C0176A7581E655C374EFBF339D09B3D1" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_47D8FF6DC05A800E722CBF339D092455_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_47D8FF6DC05A800E722CBF339D092455" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue from External Customers by Products and Services [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_47D8FF6DC05A800E722CBF339D092455_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_47D8FF6DC05A800E722CBF339D092455" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue from External Customers by Products and Services [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_47D8FF6DC05A800E722CBF339D092455" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_47D8FF6DC05A800E722CBF339D092455" xlink:to="lab_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_47D8FF6DC05A800E722CBF339D092455" xlink:type="arc"/>
<link:label id="lab_srt_StatementGeographicalAxis_86A45A334A6623CF5BCCBF339D0961BD_terseLabel_en-US" xlink:label="lab_srt_StatementGeographicalAxis_86A45A334A6623CF5BCCBF339D0961BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Geographical [Axis] </link:label>
<link:label id="lab_srt_StatementGeographicalAxis_86A45A334A6623CF5BCCBF339D0961BD_label_en-US" xlink:label="lab_srt_StatementGeographicalAxis_86A45A334A6623CF5BCCBF339D0961BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geographical [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis_86A45A334A6623CF5BCCBF339D0961BD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementGeographicalAxis_86A45A334A6623CF5BCCBF339D0961BD" xlink:to="lab_srt_StatementGeographicalAxis_86A45A334A6623CF5BCCBF339D0961BD" xlink:type="arc"/>
<link:label id="lab_srt_SegmentGeographicalDomain_D3C76795F1310B44AD4FBF339D09C774_terseLabel_en-US" xlink:label="lab_srt_SegmentGeographicalDomain_D3C76795F1310B44AD4FBF339D09C774" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Geographical [Domain] </link:label>
<link:label id="lab_srt_SegmentGeographicalDomain_D3C76795F1310B44AD4FBF339D09C774_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain_D3C76795F1310B44AD4FBF339D09C774" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Geographical [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain_D3C76795F1310B44AD4FBF339D09C774" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_SegmentGeographicalDomain_D3C76795F1310B44AD4FBF339D09C774" xlink:to="lab_srt_SegmentGeographicalDomain_D3C76795F1310B44AD4FBF339D09C774" xlink:type="arc"/>
<link:label id="lab_country_US_724F8359FC08BCFE35BEBF339D0AD229_terseLabel_en-US" xlink:label="lab_country_US_724F8359FC08BCFE35BEBF339D0AD229" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> United States </link:label>
<link:label id="lab_country_US_724F8359FC08BCFE35BEBF339D0AD229_label_en-US" xlink:label="lab_country_US_724F8359FC08BCFE35BEBF339D0AD229" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> UNITED STATES </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_country_US_724F8359FC08BCFE35BEBF339D0AD229" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_US_724F8359FC08BCFE35BEBF339D0AD229" xlink:to="lab_country_US_724F8359FC08BCFE35BEBF339D0AD229" xlink:type="arc"/>
<link:label id="lab_country_CN_8A5F0BD3585671B1A31FBF339D0AC593_terseLabel_en-US" xlink:label="lab_country_CN_8A5F0BD3585671B1A31FBF339D0AC593" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> China </link:label>
<link:label id="lab_country_CN_8A5F0BD3585671B1A31FBF339D0AC593_label_en-US" xlink:label="lab_country_CN_8A5F0BD3585671B1A31FBF339D0AC593" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> CHINA </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_CN" xlink:label="loc_country_CN_8A5F0BD3585671B1A31FBF339D0AC593" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_CN_8A5F0BD3585671B1A31FBF339D0AC593" xlink:to="lab_country_CN_8A5F0BD3585671B1A31FBF339D0AC593" xlink:type="arc"/>
<link:label id="lab_country_HK_23A9BAD4EB35FF9A7788BF339D0AF7B8_terseLabel_en-US" xlink:label="lab_country_HK_23A9BAD4EB35FF9A7788BF339D0AF7B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Hong Kong </link:label>
<link:label id="lab_country_HK_23A9BAD4EB35FF9A7788BF339D0AF7B8_label_en-US" xlink:label="lab_country_HK_23A9BAD4EB35FF9A7788BF339D0AF7B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> HONG KONG </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_HK" xlink:label="loc_country_HK_23A9BAD4EB35FF9A7788BF339D0AF7B8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_HK_23A9BAD4EB35FF9A7788BF339D0AF7B8" xlink:to="lab_country_HK_23A9BAD4EB35FF9A7788BF339D0AF7B8" xlink:type="arc"/>
<link:label id="lab_srt_AsiaMember_149A3A7FD2FAF26A21E3BF339D0AA93D_terseLabel_en-US" xlink:label="lab_srt_AsiaMember_149A3A7FD2FAF26A21E3BF339D0AA93D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Rest of Asia </link:label>
<link:label id="lab_srt_AsiaMember_149A3A7FD2FAF26A21E3BF339D0AA93D_label_en-US" xlink:label="lab_srt_AsiaMember_149A3A7FD2FAF26A21E3BF339D0AA93D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Asia [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AsiaMember" xlink:label="loc_srt_AsiaMember_149A3A7FD2FAF26A21E3BF339D0AA93D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_AsiaMember_149A3A7FD2FAF26A21E3BF339D0AA93D" xlink:to="lab_srt_AsiaMember_149A3A7FD2FAF26A21E3BF339D0AA93D" xlink:type="arc"/>
<link:label id="lab_wdc_EuropeMiddleEastAndAfricaMember_57E868924B1A8E078BCCBF339D0B240F_terseLabel_en-US" xlink:label="lab_wdc_EuropeMiddleEastAndAfricaMember_57E868924B1A8E078BCCBF339D0B240F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Europe, Middle East and Africa </link:label>
<link:label id="lab_wdc_EuropeMiddleEastAndAfricaMember_57E868924B1A8E078BCCBF339D0B240F_label_en-US" xlink:label="lab_wdc_EuropeMiddleEastAndAfricaMember_57E868924B1A8E078BCCBF339D0B240F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Europe Middle East And Africa [Member] </link:label>
<link:label id="lab_wdc_EuropeMiddleEastAndAfricaMember_57E868924B1A8E078BCCBF339D0B240F_documentation_en-US" xlink:label="lab_wdc_EuropeMiddleEastAndAfricaMember_57E868924B1A8E078BCCBF339D0B240F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Europe Middle East And Africa [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_EuropeMiddleEastAndAfricaMember" xlink:label="loc_wdc_EuropeMiddleEastAndAfricaMember_57E868924B1A8E078BCCBF339D0B240F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_EuropeMiddleEastAndAfricaMember_57E868924B1A8E078BCCBF339D0B240F" xlink:to="lab_wdc_EuropeMiddleEastAndAfricaMember_57E868924B1A8E078BCCBF339D0B240F" xlink:type="arc"/>
<link:label id="lab_wdc_OtherMember_3A58396DE3D958E05002BF339D0BD243_terseLabel_en-US" xlink:label="lab_wdc_OtherMember_3A58396DE3D958E05002BF339D0BD243" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_wdc_OtherMember_3A58396DE3D958E05002BF339D0BD243_label_en-US" xlink:label="lab_wdc_OtherMember_3A58396DE3D958E05002BF339D0BD243" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other [Member] </link:label>
<link:label id="lab_wdc_OtherMember_3A58396DE3D958E05002BF339D0BD243_documentation_en-US" xlink:label="lab_wdc_OtherMember_3A58396DE3D958E05002BF339D0BD243" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_OtherMember" xlink:label="loc_wdc_OtherMember_3A58396DE3D958E05002BF339D0BD243" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_80C062C262E9661AE9B1BF339D0BF0DC_terseLabel_en-US" xlink:label="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_80C062C262E9661AE9B1BF339D0BF0DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue from External Customer [Line Items] </link:label>
<link:label id="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_80C062C262E9661AE9B1BF339D0BF0DC_label_en-US" xlink:label="lab_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_80C062C262E9661AE9B1BF339D0BF0DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue from External Customer [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:label="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_80C062C262E9661AE9B1BF339D0BF0DC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_BE7B8C2F2F0F0900D717BF339D0B9347_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_BE7B8C2F2F0F0900D717BF339D0B9347" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, net </link:label>
<link:label id="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_BE7B8C2F2F0F0900D717BF339D0B9347_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_BE7B8C2F2F0F0900D717BF339D0B9347" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue from Contract with Customer, Excluding Assessed Tax </link:label>
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<link:label id="lab_us-gaap_DebtDisclosureAbstract_F2A6F5D87A510A40803CB03DD8CF9B8B_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract_F2A6F5D87A510A40803CB03DD8CF9B8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Disclosure [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_F2A6F5D87A510A40803CB03DD8CF9B8B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_5B3554C3C02E3785F086B03DD8D0C7DD_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_5B3554C3C02E3785F086B03DD8D0C7DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_5B3554C3C02E3785F086B03DD8D0C7DD_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_5B3554C3C02E3785F086B03DD8D0C7DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months </link:label>
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<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_0157057D826F5D02B68DB03DD8D08EF9_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_0157057D826F5D02B68DB03DD8D08EF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_0157057D826F5D02B68DB03DD8D08EF9_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_0157057D826F5D02B68DB03DD8D08EF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Two </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_0157057D826F5D02B68DB03DD8D08EF9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_F4A1D21B84EB0446EC0FB03DD8D09462_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_F4A1D21B84EB0446EC0FB03DD8D09462" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_F4A1D21B84EB0446EC0FB03DD8D09462_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_F4A1D21B84EB0446EC0FB03DD8D09462" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Three </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_F4A1D21B84EB0446EC0FB03DD8D09462" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_F4A1D21B84EB0446EC0FB03DD8D09462" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_F4A1D21B84EB0446EC0FB03DD8D09462" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9AD8786AE7F0E968E9A0B03DD8D0C6E3_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9AD8786AE7F0E968E9A0B03DD8D0C6E3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9AD8786AE7F0E968E9A0B03DD8D0C6E3_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9AD8786AE7F0E968E9A0B03DD8D0C6E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Four </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_9AD8786AE7F0E968E9A0B03DD8D0C6E3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_E88B8EE840A736D6A08DB03DD8D1AD7D_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_E88B8EE840A736D6A08DB03DD8D1AD7D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_E88B8EE840A736D6A08DB03DD8D1AD7D_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_E88B8EE840A736D6A08DB03DD8D1AD7D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal in Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_E88B8EE840A736D6A08DB03DD8D1AD7D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_69DB6D37937D397E01C2B03DD8D11E17_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_69DB6D37937D397E01C2B03DD8D11E17" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2025 and thereafter </link:label>
<link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_69DB6D37937D397E01C2B03DD8D11E17_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_69DB6D37937D397E01C2B03DD8D11E17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Maturities, Repayments of Principal after Year Five </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_69DB6D37937D397E01C2B03DD8D11E17" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_569941DB1D5AAB239A3AB03DD8D1FC23_totalLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_569941DB1D5AAB239A3AB03DD8D1FC23" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total debt maturities </link:label>
<link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_569941DB1D5AAB239A3AB03DD8D1FC23_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_569941DB1D5AAB239A3AB03DD8D1FC23" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_569941DB1D5AAB239A3AB03DD8D1FC23" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_D728C0A26E60E339F28AB03DD8D10C02_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_D728C0A26E60E339F28AB03DD8D10C02" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Issuance costs and debt discounts </link:label>
<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_D728C0A26E60E339F28AB03DD8D10C02_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_D728C0A26E60E339F28AB03DD8D10C02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Unamortized Discount (Premium), Net </link:label>
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<link:label id="lab_us-gaap_LongTermDebt_43ECE72BD466E7469EC3B03DD8D180F1_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_43ECE72BD466E7469EC3B03DD8D180F1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net carrying value </link:label>
<link:label id="lab_us-gaap_LongTermDebt_43ECE72BD466E7469EC3B03DD8D180F1_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_43ECE72BD466E7469EC3B03DD8D180F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt </link:label>
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<link:label id="lab_wdc_EmployeeTerminationBenefitsAndOtherChargesDisclosureTextBlock_0E5A37DCDDC304DC76BBB03DD60A74E2_terseLabel_en-US" xlink:label="lab_wdc_EmployeeTerminationBenefitsAndOtherChargesDisclosureTextBlock_0E5A37DCDDC304DC76BBB03DD60A74E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Termination, Asset Impairment and Other Charges </link:label>
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<link:label id="lab_wdc_OutstandingAwardsAndSharesAvailableForAwardMember_6D13D1AA902B2B456A59B03DD6D97592_terseLabel_en-US" xlink:label="lab_wdc_OutstandingAwardsAndSharesAvailableForAwardMember_6D13D1AA902B2B456A59B03DD6D97592" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Outstanding awards and shares available for award grants </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A47D488522ADA94E2706B03DD6DAF09B_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A47D488522ADA94E2706B03DD6DAF09B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock reserved for issuance </link:label>
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<link:label id="lab_us-gaap_PensionPlansDefinedBenefitMember_D976A62476B5F5DD4111BF31A17F536A_terseLabel_en-US" xlink:label="lab_us-gaap_PensionPlansDefinedBenefitMember_D976A62476B5F5DD4111BF31A17F536A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pension Plan </link:label>
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<link:label id="lab_us-gaap_EquityMethodInvestmentsMember_1DF88B163ED6168B099FB03DD81D6CB3_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsMember_1DF88B163ED6168B099FB03DD81D6CB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity investments </link:label>
<link:label id="lab_us-gaap_EquityMethodInvestmentsMember_1DF88B163ED6168B099FB03DD81D6CB3_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsMember_1DF88B163ED6168B099FB03DD81D6CB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investments [Member] </link:label>
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<link:label id="lab_wdc_OffBalanceSheetGuaranteeMember_633EBEF0819A8637F214B03DD81EAC75_terseLabel_en-US" xlink:label="lab_wdc_OffBalanceSheetGuaranteeMember_633EBEF0819A8637F214B03DD81EAC75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating lease guarantees </link:label>
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<link:label id="lab_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_3EAC3F912A0BC26EED6DB03DD81E8E58_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaidExpensesAndOtherCurrentAssetsMember_3EAC3F912A0BC26EED6DB03DD81E8E58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventory </link:label>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9F9463CB32C7EC2857CCB03DD989C012_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9F9463CB32C7EC2857CCB03DD989C012" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Table] </link:label>
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<link:label id="lab_us-gaap_StatementEquityComponentsAxis_679C76D8F113B68D631EB03DD98958DD_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_679C76D8F113B68D631EB03DD98958DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Components [Axis] </link:label>
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<link:label id="lab_us-gaap_EquityComponentDomain_0AEB0EAC3D43FEF14D68B03DD98ACD77_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_0AEB0EAC3D43FEF14D68B03DD98ACD77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Component [Domain] </link:label>
<link:label id="lab_us-gaap_EquityComponentDomain_0AEB0EAC3D43FEF14D68B03DD98ACD77_label_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_0AEB0EAC3D43FEF14D68B03DD98ACD77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Component [Domain] </link:label>
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<link:label id="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_ECD60921F4D6660A8B42B03DD98A7C87_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_ECD60921F4D6660A8B42B03DD98A7C87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Actuarial Pension Gains (Losses) </link:label>
<link:label id="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_ECD60921F4D6660A8B42B03DD98A7C87_label_en-US" xlink:label="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_ECD60921F4D6660A8B42B03DD98A7C87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_ECD60921F4D6660A8B42B03DD98A7C87" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedTranslationAdjustmentMember_068A75FCA04A9CC06613B03DD98A62C8_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedTranslationAdjustmentMember_068A75FCA04A9CC06613B03DD98A62C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign Currency Translation Adjustment </link:label>
<link:label id="lab_us-gaap_AccumulatedTranslationAdjustmentMember_068A75FCA04A9CC06613B03DD98A62C8_label_en-US" xlink:label="lab_us-gaap_AccumulatedTranslationAdjustmentMember_068A75FCA04A9CC06613B03DD98A62C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Foreign Currency Adjustment Attributable to Parent [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_068A75FCA04A9CC06613B03DD98A62C8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_E0CC3709701C60AE8CE2B03DD98A2C5A_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_E0CC3709701C60AE8CE2B03DD98A2C5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unrealized Gains (Losses) on Derivative Contracts and available-for-sale securities </link:label>
<link:label id="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_E0CC3709701C60AE8CE2B03DD98A2C5A_label_en-US" xlink:label="lab_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_E0CC3709701C60AE8CE2B03DD98A2C5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] </link:label>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_8588115AF7A22B8E1072B03DD98BC4C2_verboseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_8588115AF7A22B8E1072B03DD98BC4C2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> AOCI Attributable to Parent </link:label>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_8588115AF7A22B8E1072B03DD98BC4C2_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_8588115AF7A22B8E1072B03DD98BC4C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> AOCI Attributable to Parent [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_8588115AF7A22B8E1072B03DD98BC4C2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_9A1FF376EE46236A4563B03DD98BE4A1_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_9A1FF376EE46236A4563B03DD98BE4A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Line Items] </link:label>
<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_9A1FF376EE46236A4563B03DD98BE4A1_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_9A1FF376EE46236A4563B03DD98BE4A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_9A1FF376EE46236A4563B03DD98BE4A1" xlink:type="locator"/>
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<link:label id="lab_wdc_AccumulatedOtherComprehensiveIncomeLossRollForward_28325253EA7191D090E5B03DD98B69D6_terseLabel_en-US" xlink:label="lab_wdc_AccumulatedOtherComprehensiveIncomeLossRollForward_28325253EA7191D090E5B03DD98B69D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Roll Forward] </link:label>
<link:label id="lab_wdc_AccumulatedOtherComprehensiveIncomeLossRollForward_28325253EA7191D090E5B03DD98B69D6_label_en-US" xlink:label="lab_wdc_AccumulatedOtherComprehensiveIncomeLossRollForward_28325253EA7191D090E5B03DD98B69D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Roll Forward] </link:label>
<link:label id="lab_wdc_AccumulatedOtherComprehensiveIncomeLossRollForward_28325253EA7191D090E5B03DD98B69D6_documentation_en-US" xlink:label="lab_wdc_AccumulatedOtherComprehensiveIncomeLossRollForward_28325253EA7191D090E5B03DD98B69D6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Roll Forward] </link:label>
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<link:label id="lab_us-gaap_StockholdersEquity_029BB6F8A0F5611B7911B03DD98BE19D_periodStartLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_029BB6F8A0F5611B7911B03DD98BE19D" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Beginning balance </link:label>
<link:label id="lab_us-gaap_StockholdersEquity_029BB6F8A0F5611B7911B03DD98BE19D_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_029BB6F8A0F5611B7911B03DD98BE19D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent </link:label>
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<link:label id="lab_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_2D1CB4CAEB00696C248EB03DD98B5EBB_terseLabel_en-US" xlink:label="lab_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_2D1CB4CAEB00696C248EB03DD98B5EBB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other comprehensive income (loss) before reclassifications </link:label>
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<link:label id="lab_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_41FC544D768F34F9B3CEB03DD98C46D9_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_41FC544D768F34F9B3CEB03DD98C46D9" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Amounts reclassified from accumulated other comprehensive income (loss) </link:label>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_994156EA03EAF0A7ECBBB03DD98C23F5_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1_994156EA03EAF0A7ECBBB03DD98C23F5" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Income tax benefit (expense) related to items of other comprehensive income (loss) </link:label>
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<link:label id="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_4A23C7291DB1085D5D84B03DD4D0ADA7_label_en-US" xlink:label="lab_us-gaap_QuarterlyFinancialInformationDisclosureAbstract_4A23C7291DB1085D5D84B03DD4D0ADA7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information Disclosure [Abstract] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_E3FF28CF5CF48E999387B03DD4D05331_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_E3FF28CF5CF48E999387B03DD4D05331" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Quarterly Results of Operations </link:label>
<link:label id="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_E3FF28CF5CF48E999387B03DD4D05331_label_en-US" xlink:label="lab_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock_E3FF28CF5CF48E999387B03DD4D05331" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Quarterly Financial Information [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_280CBAC6899FF8487862BF51C37F7A8D_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_280CBAC6899FF8487862BF51C37F7A8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Cash Flows [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_280CBAC6899FF8487862BF51C37F7A8D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0D2BAE96C0ED233AE9BABF51C37F53B5_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0D2BAE96C0ED233AE9BABF51C37F53B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash flows from operating activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0D2BAE96C0ED233AE9BABF51C37F53B5_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_0D2BAE96C0ED233AE9BABF51C37F53B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
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<link:label id="lab_us-gaap_NetIncomeLoss_80AD7078568F4D339216BF51C37F93A7_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_80AD7078568F4D339216BF51C37F93A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net income (loss) </link:label>
<link:label id="lab_us-gaap_NetIncomeLoss_80AD7078568F4D339216BF51C37F93A7_label_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_80AD7078568F4D339216BF51C37F93A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Income (Loss) Attributable to Parent </link:label>
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<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2E92B9EBD452791840A7BF51C3807D2C_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2E92B9EBD452791840A7BF51C3807D2C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments to reconcile net income (loss) to net cash provided by operations: </link:label>
<link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2E92B9EBD452791840A7BF51C3807D2C_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2E92B9EBD452791840A7BF51C3807D2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_2E92B9EBD452791840A7BF51C3807D2C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DepreciationAndAmortization_05DDE749530EE2D2E822BF51C380C16A_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_05DDE749530EE2D2E822BF51C380C16A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation and amortization </link:label>
<link:label id="lab_us-gaap_DepreciationAndAmortization_05DDE749530EE2D2E822BF51C380C16A_label_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_05DDE749530EE2D2E822BF51C380C16A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation, Depletion and Amortization, Nonproduction </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_05DDE749530EE2D2E822BF51C380C16A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensation_B650DC21914E4D1B76C1BF51C380D145_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_B650DC21914E4D1B76C1BF51C380D145" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensation_B650DC21914E4D1B76C1BF51C380D145_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_B650DC21914E4D1B76C1BF51C380D145" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Noncash Expense </link:label>
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<link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_33AEDDC98CD4B17A1FFBBF51C3808939_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_33AEDDC98CD4B17A1FFBBF51C3808939" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Deferred income taxes </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_33AEDDC98CD4B17A1FFBBF51C3808939" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_5EA86D298D338550F653BF51C381497D_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_5EA86D298D338550F653BF51C381497D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Loss on disposal of assets </link:label>
<link:label id="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_5EA86D298D338550F653BF51C381497D_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_5EA86D298D338550F653BF51C381497D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gain (Loss) on Disposition of Property Plant Equipment </link:label>
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<link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_575BD2147F5FF932DC33BF51C3813497_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_575BD2147F5FF932DC33BF51C3813497" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Write-off of issuance costs and amortization of debt discounts </link:label>
<link:label id="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_575BD2147F5FF932DC33BF51C3813497_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCostsAndDiscounts_575BD2147F5FF932DC33BF51C3813497" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Amortization of Debt Issuance Costs and Discounts </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_575BD2147F5FF932DC33BF51C3813497" xlink:type="locator"/>
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<link:label id="lab_wdc_CashPremiumOnExtinguishmentOfDebt_5CA547F6818B10BA8C6FBF51C3813447_terseLabel_en-US" xlink:label="lab_wdc_CashPremiumOnExtinguishmentOfDebt_5CA547F6818B10BA8C6FBF51C3813447" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash premium on extinguishment of debt </link:label>
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<link:label id="lab_wdc_Convertibledebtactivitynet_49FC838007D4D6F47A61BF51C381E46C_terseLabel_en-US" xlink:label="lab_wdc_Convertibledebtactivitynet_49FC838007D4D6F47A61BF51C381E46C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loss on convertible debt and related instruments </link:label>
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<link:label id="lab_wdc_NonCashPortionOfEmployeeTerminationBenefitsAndOtherCharges_C42746F9F682BAB3A45ABF51C3815161_terseLabel_en-US" xlink:label="lab_wdc_NonCashPortionOfEmployeeTerminationBenefitsAndOtherCharges_C42746F9F682BAB3A45ABF51C3815161" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-cash portion of employee termination, asset impairment and other charges </link:label>
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<link:loc xlink:href="wdc-20190628.xsd#wdc_NonCashPortionOfEmployeeTerminationBenefitsAndOtherCharges" xlink:label="loc_wdc_NonCashPortionOfEmployeeTerminationBenefitsAndOtherCharges_C42746F9F682BAB3A45ABF51C3815161" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_0623B1DF045D799E3E86BF51C3825FE6_terseLabel_en-US" xlink:label="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_0623B1DF045D799E3E86BF51C3825FE6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other non-cash operating activities, net </link:label>
<link:label id="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_0623B1DF045D799E3E86BF51C3825FE6_label_en-US" xlink:label="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_0623B1DF045D799E3E86BF51C3825FE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Operating Activities, Cash Flow Statement </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_0623B1DF045D799E3E86BF51C3825FE6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_0623B1DF045D799E3E86BF51C3825FE6" xlink:to="lab_us-gaap_OtherOperatingActivitiesCashFlowStatement_0623B1DF045D799E3E86BF51C3825FE6" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_00588D0CE3A726E600E2BF51C38231CA_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_00588D0CE3A726E600E2BF51C38231CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Changes in: </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_00588D0CE3A726E600E2BF51C38231CA_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_00588D0CE3A726E600E2BF51C38231CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Operating Capital [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_00588D0CE3A726E600E2BF51C38231CA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_00588D0CE3A726E600E2BF51C38231CA" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_00588D0CE3A726E600E2BF51C38231CA" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_3FF56D3F105908497654BF51C382AD09_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_3FF56D3F105908497654BF51C382AD09" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable, net </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_3FF56D3F105908497654BF51C382AD09_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_3FF56D3F105908497654BF51C382AD09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Receivable </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_3FF56D3F105908497654BF51C382AD09" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_3FF56D3F105908497654BF51C382AD09" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_3FF56D3F105908497654BF51C382AD09" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInInventories_0462F966EC91430368FFBF51C3820393_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_0462F966EC91430368FFBF51C3820393" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInInventories_0462F966EC91430368FFBF51C3820393_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_0462F966EC91430368FFBF51C3820393" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Inventories </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_0462F966EC91430368FFBF51C3820393" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInventories_0462F966EC91430368FFBF51C3820393" xlink:to="lab_us-gaap_IncreaseDecreaseInInventories_0462F966EC91430368FFBF51C3820393" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_719777105C4C7F12DCCBBF51C382729A_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_719777105C4C7F12DCCBBF51C382729A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_719777105C4C7F12DCCBBF51C382729A_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_719777105C4C7F12DCCBBF51C382729A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Payable, Trade </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableTrade" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_719777105C4C7F12DCCBBF51C382729A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_719777105C4C7F12DCCBBF51C382729A" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableTrade_719777105C4C7F12DCCBBF51C382729A" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_855E4EB6A476E66BF358BF51C3820198_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_855E4EB6A476E66BF358BF51C3820198" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable to related parties </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_855E4EB6A476E66BF358BF51C3820198_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_855E4EB6A476E66BF358BF51C3820198" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accounts Payable, Related Parties </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_855E4EB6A476E66BF358BF51C3820198" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_855E4EB6A476E66BF358BF51C3820198" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableRelatedParties_855E4EB6A476E66BF358BF51C3820198" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccruedLiabilities_C1D8C90158CE77F4887FBF51C3839823_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedLiabilities_C1D8C90158CE77F4887FBF51C3839823" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued expenses </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInAccruedLiabilities_C1D8C90158CE77F4887FBF51C3839823_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedLiabilities_C1D8C90158CE77F4887FBF51C3839823" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Accrued Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_C1D8C90158CE77F4887FBF51C3839823" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_C1D8C90158CE77F4887FBF51C3839823" xlink:to="lab_us-gaap_IncreaseDecreaseInAccruedLiabilities_C1D8C90158CE77F4887FBF51C3839823" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_AF6C1667D1298FA41944BF51C383CC4C_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_AF6C1667D1298FA41944BF51C383CC4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued compensation </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_AF6C1667D1298FA41944BF51C383CC4C_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_AF6C1667D1298FA41944BF51C383CC4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Employee Related Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_AF6C1667D1298FA41944BF51C383CC4C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_AF6C1667D1298FA41944BF51C383CC4C" xlink:to="lab_us-gaap_IncreaseDecreaseInEmployeeRelatedLiabilities_AF6C1667D1298FA41944BF51C383CC4C" xlink:type="arc"/>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_003E75DF798CAC0DD132BF51C3833668_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_003E75DF798CAC0DD132BF51C3833668" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Other assets and liabilities, net </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_003E75DF798CAC0DD132BF51C3833668_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_003E75DF798CAC0DD132BF51C3833668" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Other Operating Assets and Liabilities, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_003E75DF798CAC0DD132BF51C3833668" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_003E75DF798CAC0DD132BF51C3833668" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_003E75DF798CAC0DD132BF51C3833668" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_6C0F2D77628374AB05DABF51C3832FD6_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_6C0F2D77628374AB05DABF51C3832FD6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by operating activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_6C0F2D77628374AB05DABF51C3832FD6_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_6C0F2D77628374AB05DABF51C3832FD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6C0F2D77628374AB05DABF51C3832FD6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_6C0F2D77628374AB05DABF51C3832FD6" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_6C0F2D77628374AB05DABF51C3832FD6" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C83E56D6656E4D1F15D4BF51C3837698_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C83E56D6656E4D1F15D4BF51C3837698" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash flows from investing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C83E56D6656E4D1F15D4BF51C3837698_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C83E56D6656E4D1F15D4BF51C3837698" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C83E56D6656E4D1F15D4BF51C3837698" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C83E56D6656E4D1F15D4BF51C3837698" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_C83E56D6656E4D1F15D4BF51C3837698" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_7B09815D38F01F176D5EBF51C383D632_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_7B09815D38F01F176D5EBF51C383D632" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchases of property, plant and equipment </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_7B09815D38F01F176D5EBF51C383D632_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_7B09815D38F01F176D5EBF51C383D632" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Property, Plant, and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_7B09815D38F01F176D5EBF51C383D632" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_7B09815D38F01F176D5EBF51C383D632" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_7B09815D38F01F176D5EBF51C383D632" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_36E6720D6FE2EFA61E0FBF51C384E874_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_36E6720D6FE2EFA61E0FBF51C384E874" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from the sale of property, plant and equipment </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_36E6720D6FE2EFA61E0FBF51C384E874_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_36E6720D6FE2EFA61E0FBF51C384E874" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Machinery and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfMachineryAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_36E6720D6FE2EFA61E0FBF51C384E874" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_36E6720D6FE2EFA61E0FBF51C384E874" xlink:to="lab_us-gaap_ProceedsFromSaleOfMachineryAndEquipment_36E6720D6FE2EFA61E0FBF51C384E874" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_1F3FD67EE28AC94822F8BF51C384D6D6_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_1F3FD67EE28AC94822F8BF51C384D6D6" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Acquisitions, net of cash acquired </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_1F3FD67EE28AC94822F8BF51C384D6D6_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_1F3FD67EE28AC94822F8BF51C384D6D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Businesses, Net of Cash Acquired </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_1F3FD67EE28AC94822F8BF51C384D6D6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_1F3FD67EE28AC94822F8BF51C384D6D6" xlink:to="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_1F3FD67EE28AC94822F8BF51C384D6D6" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquireInvestments_1B299AA01A51A79714DFBF51C38486C3_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInvestments_1B299AA01A51A79714DFBF51C38486C3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Purchases of investments </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireInvestments_1B299AA01A51A79714DFBF51C38486C3_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInvestments_1B299AA01A51A79714DFBF51C38486C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_1B299AA01A51A79714DFBF51C38486C3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_5ADF9AAF908D3949FA79BF51C384454F_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_5ADF9AAF908D3949FA79BF51C384454F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from sale of investments </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_5ADF9AAF908D3949FA79BF51C384454F_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_5ADF9AAF908D3949FA79BF51C384454F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Debt Securities, Available-for-sale </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_5ADF9AAF908D3949FA79BF51C384454F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_5ADF9AAF908D3949FA79BF51C384454F" xlink:to="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_5ADF9AAF908D3949FA79BF51C384454F" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_4A2D954E93834EDCFC4FBF51C3846E0D_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_4A2D954E93834EDCFC4FBF51C3846E0D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from maturities of investments </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_4A2D954E93834EDCFC4FBF51C3846E0D_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_4A2D954E93834EDCFC4FBF51C3846E0D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Held-to-maturity Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities" xlink:label="loc_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_4A2D954E93834EDCFC4FBF51C3846E0D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_4A2D954E93834EDCFC4FBF51C3846E0D" xlink:to="lab_us-gaap_ProceedsFromSaleOfHeldToMaturitySecurities_4A2D954E93834EDCFC4FBF51C3846E0D" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_85E6B4B93A8C4785A824BF51C385D25C_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_85E6B4B93A8C4785A824BF51C385D25C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Investments in Flash Ventures </link:label>
<link:label id="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_85E6B4B93A8C4785A824BF51C385D25C_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_85E6B4B93A8C4785A824BF51C385D25C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments to Acquire Equity Method Investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_85E6B4B93A8C4785A824BF51C385D25C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_85E6B4B93A8C4785A824BF51C385D25C" xlink:to="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_85E6B4B93A8C4785A824BF51C385D25C" xlink:type="arc"/>
<link:label id="lab_wdc_PaymentsForLongTermLoansForRelatedParties_6FBD455AD874309D2286BF51C385AE6E_negatedTerseLabel_en-US" xlink:label="lab_wdc_PaymentsForLongTermLoansForRelatedParties_6FBD455AD874309D2286BF51C385AE6E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Notes receivable issuances to Flash Ventures </link:label>
<link:label id="lab_wdc_PaymentsForLongTermLoansForRelatedParties_6FBD455AD874309D2286BF51C385AE6E_label_en-US" xlink:label="lab_wdc_PaymentsForLongTermLoansForRelatedParties_6FBD455AD874309D2286BF51C385AE6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments For Long Term Loans For Related Parties </link:label>
<link:label id="lab_wdc_PaymentsForLongTermLoansForRelatedParties_6FBD455AD874309D2286BF51C385AE6E_documentation_en-US" xlink:label="lab_wdc_PaymentsForLongTermLoansForRelatedParties_6FBD455AD874309D2286BF51C385AE6E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The cash outflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_PaymentsForLongTermLoansForRelatedParties" xlink:label="loc_wdc_PaymentsForLongTermLoansForRelatedParties_6FBD455AD874309D2286BF51C385AE6E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_PaymentsForLongTermLoansForRelatedParties_6FBD455AD874309D2286BF51C385AE6E" xlink:to="lab_wdc_PaymentsForLongTermLoansForRelatedParties_6FBD455AD874309D2286BF51C385AE6E" xlink:type="arc"/>
<link:label id="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_88164D138C086923C591BF51C385356F_terseLabel_en-US" xlink:label="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_88164D138C086923C591BF51C385356F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes receivable proceeds from Flash Ventures </link:label>
<link:label id="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_88164D138C086923C591BF51C385356F_label_en-US" xlink:label="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_88164D138C086923C591BF51C385356F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds From Long Term Loans For Related Parties </link:label>
<link:label id="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_88164D138C086923C591BF51C385356F_documentation_en-US" xlink:label="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_88164D138C086923C591BF51C385356F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The cash inflow associated with long-term loans for related parties where one party can exercise control or significant influence over another party, including affiliates, owners or officers and their immediate families, pension trusts, and so forth. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_ProceedsFromLongTermLoansForRelatedParties" xlink:label="loc_wdc_ProceedsFromLongTermLoansForRelatedParties_88164D138C086923C591BF51C385356F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ProceedsFromLongTermLoansForRelatedParties_88164D138C086923C591BF51C385356F" xlink:to="lab_wdc_ProceedsFromLongTermLoansForRelatedParties_88164D138C086923C591BF51C385356F" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F94FB244B73A917B988ABF51C385F24E_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F94FB244B73A917B988ABF51C385F24E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Strategic investments and other, net </link:label>
<link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F94FB244B73A917B988ABF51C385F24E_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F94FB244B73A917B988ABF51C385F24E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for (Proceeds from) Other Investing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F94FB244B73A917B988ABF51C385F24E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F94FB244B73A917B988ABF51C385F24E" xlink:to="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_F94FB244B73A917B988ABF51C385F24E" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1588F499B53104A8C695BF51C385883D_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1588F499B53104A8C695BF51C385883D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used in investing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1588F499B53104A8C695BF51C385883D_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1588F499B53104A8C695BF51C385883D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1588F499B53104A8C695BF51C385883D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1588F499B53104A8C695BF51C385883D" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_1588F499B53104A8C695BF51C385883D" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_DF89F4BB7BD2BCABBAF0BF51C38541A6_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_DF89F4BB7BD2BCABBAF0BF51C38541A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash flows from financing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_DF89F4BB7BD2BCABBAF0BF51C38541A6_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_DF89F4BB7BD2BCABBAF0BF51C38541A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_DF89F4BB7BD2BCABBAF0BF51C38541A6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_DF89F4BB7BD2BCABBAF0BF51C38541A6" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_DF89F4BB7BD2BCABBAF0BF51C38541A6" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_54976095E0B170CA9A58BF51C386341F_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_54976095E0B170CA9A58BF51C386341F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuance of stock under employee stock plans </link:label>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_54976095E0B170CA9A58BF51C386341F_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_54976095E0B170CA9A58BF51C386341F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds, Issuance of Shares, Share-based Payment Arrangement, Excluding Option Exercised </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_54976095E0B170CA9A58BF51C386341F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_54976095E0B170CA9A58BF51C386341F" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans_54976095E0B170CA9A58BF51C386341F" xlink:type="arc"/>
<link:label id="lab_wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans_1E45F3BDB342BAB6AD82BF51C3867F3E_negatedLabel_en-US" xlink:label="lab_wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans_1E45F3BDB342BAB6AD82BF51C3867F3E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Taxes paid on vested stock awards under employee stock plans </link:label>
<link:label id="lab_wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans_1E45F3BDB342BAB6AD82BF51C3867F3E_label_en-US" xlink:label="lab_wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans_1E45F3BDB342BAB6AD82BF51C3867F3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Taxes Paid On Vested Stock Awards Under Employee Stock Plans </link:label>
<link:label id="lab_wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans_1E45F3BDB342BAB6AD82BF51C3867F3E_documentation_en-US" xlink:label="lab_wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans_1E45F3BDB342BAB6AD82BF51C3867F3E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Taxes paid on vested stock awards under employee stock plans. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans" xlink:label="loc_wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans_1E45F3BDB342BAB6AD82BF51C3867F3E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_A93F3380759F105C555EBF51C3860B22_terseLabel_en-US" xlink:label="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_A93F3380759F105C555EBF51C3860B22" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Excess tax benefits from employee stock plans </link:label>
<link:label id="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_A93F3380759F105C555EBF51C3860B22_label_en-US" xlink:label="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_A93F3380759F105C555EBF51C3860B22" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Excess Tax Benefit from Share-based Compensation, Financing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_A93F3380759F105C555EBF51C3860B22" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_A93F3380759F105C555EBF51C3860B22" xlink:to="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_A93F3380759F105C555EBF51C3860B22" xlink:type="arc"/>
<link:label id="lab_wdc_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts_79034FE86C1977B93257BF51C3860537_terseLabel_en-US" xlink:label="lab_wdc_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts_79034FE86C1977B93257BF51C3860537" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from acquired call option </link:label>
<link:label id="lab_wdc_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts_79034FE86C1977B93257BF51C3860537_label_en-US" xlink:label="lab_wdc_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts_79034FE86C1977B93257BF51C3860537" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Received In Settlement Of (Paid In Advance for) Stock Repurchase Contracts </link:label>
<link:label id="lab_wdc_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts_79034FE86C1977B93257BF51C3860537_documentation_en-US" xlink:label="lab_wdc_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts_79034FE86C1977B93257BF51C3860537" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Proceeds from settlements paid in advance for stock repurchase contracts. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts" xlink:label="loc_wdc_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts_79034FE86C1977B93257BF51C3860537" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts_79034FE86C1977B93257BF51C3860537" xlink:to="lab_wdc_NetCashReceivedInSettlementOfPaidInAdvanceForStockRepurchaseContracts_79034FE86C1977B93257BF51C3860537" xlink:type="arc"/>
<link:label id="lab_us-gaap_RepaymentsOfConvertibleDebt_46C76ABAF55431BAA69EBF51C38CEEDD_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfConvertibleDebt_46C76ABAF55431BAA69EBF51C38CEEDD" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Settlement of convertible debt </link:label>
<link:label id="lab_us-gaap_RepaymentsOfConvertibleDebt_46C76ABAF55431BAA69EBF51C38CEEDD_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfConvertibleDebt_46C76ABAF55431BAA69EBF51C38CEEDD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Convertible Debt </link:label>
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<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_F73FF1E70E266170D608BF51C38C1AEE_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_F73FF1E70E266170D608BF51C38C1AEE" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Repurchases of common stock </link:label>
<link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_F73FF1E70E266170D608BF51C38C1AEE_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_F73FF1E70E266170D608BF51C38C1AEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for Repurchase of Common Stock </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_F73FF1E70E266170D608BF51C38C1AEE" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsOfDividends_2D23E3A612FCA715622ABF51C38CD7F4_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_2D23E3A612FCA715622ABF51C38CD7F4" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Dividends paid to shareholders </link:label>
<link:label id="lab_us-gaap_PaymentsOfDividends_2D23E3A612FCA715622ABF51C38CD7F4_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_2D23E3A612FCA715622ABF51C38CD7F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Dividends </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_2D23E3A612FCA715622ABF51C38CD7F4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividends_2D23E3A612FCA715622ABF51C38CD7F4" xlink:to="lab_us-gaap_PaymentsOfDividends_2D23E3A612FCA715622ABF51C38CD7F4" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_2CE43E84783A7787AC4BBF51C38C88EF_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_2CE43E84783A7787AC4BBF51C38C88EF" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Settlement of debt hedge contracts </link:label>
<link:label id="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_2CE43E84783A7787AC4BBF51C38C88EF_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_2CE43E84783A7787AC4BBF51C38C88EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments for (Proceeds from) Hedge, Financing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForProceedsFromHedgeFinancingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_2CE43E84783A7787AC4BBF51C38C88EF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_2CE43E84783A7787AC4BBF51C38C88EF" xlink:to="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_2CE43E84783A7787AC4BBF51C38C88EF" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_12738FA32D470915059DBF51C38C8293_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_12738FA32D470915059DBF51C38C8293" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from (repayment of) revolving credit facility </link:label>
<link:label id="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_12738FA32D470915059DBF51C38C8293_label_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_12738FA32D470915059DBF51C38C8293" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from (Repayments of) Lines of Credit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_12738FA32D470915059DBF51C38C8293" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_12738FA32D470915059DBF51C38C8293" xlink:to="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_12738FA32D470915059DBF51C38C8293" xlink:type="arc"/>
<link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_728AC2D1BCCBB359A2EEBF51C38D724E_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_728AC2D1BCCBB359A2EEBF51C38D724E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Repayment of debt </link:label>
<link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_728AC2D1BCCBB359A2EEBF51C38D724E_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_728AC2D1BCCBB359A2EEBF51C38D724E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Repayments of Long-term Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_728AC2D1BCCBB359A2EEBF51C38D724E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermDebt_728AC2D1BCCBB359A2EEBF51C38D724E" xlink:to="lab_us-gaap_RepaymentsOfLongTermDebt_728AC2D1BCCBB359A2EEBF51C38D724E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_87B61B11130AC49DFD7EBF51C38DDB08_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_87B61B11130AC49DFD7EBF51C38DDB08" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from debt </link:label>
<link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_87B61B11130AC49DFD7EBF51C38DDB08_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_87B61B11130AC49DFD7EBF51C38DDB08" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Issuance of Long-term Debt and Capital Securities, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_87B61B11130AC49DFD7EBF51C38DDB08" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_87B61B11130AC49DFD7EBF51C38DDB08" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet_87B61B11130AC49DFD7EBF51C38DDB08" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_4673C0A6D319923DDE6ABF51C38DE594_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_4673C0A6D319923DDE6ABF51C38DE594" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Debt issuance costs </link:label>
<link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_4673C0A6D319923DDE6ABF51C38DE594_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_4673C0A6D319923DDE6ABF51C38DE594" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Debt Issuance Costs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_4673C0A6D319923DDE6ABF51C38DE594" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtIssuanceCosts_4673C0A6D319923DDE6ABF51C38DE594" xlink:to="lab_us-gaap_PaymentsOfDebtIssuanceCosts_4673C0A6D319923DDE6ABF51C38DE594" xlink:type="arc"/>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_DEF6EDAEFEBCFB00C697BF51C38D9132_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_DEF6EDAEFEBCFB00C697BF51C38D9132" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net cash used in financing activities </link:label>
<link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_DEF6EDAEFEBCFB00C697BF51C38D9132_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_DEF6EDAEFEBCFB00C697BF51C38D9132" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_DEF6EDAEFEBCFB00C697BF51C38D9132" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_DEF6EDAEFEBCFB00C697BF51C38D9132" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_DEF6EDAEFEBCFB00C697BF51C38D9132" xlink:type="arc"/>
<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_36A74314DFD673BAD923BF51C38D5241_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_36A74314DFD673BAD923BF51C38D5241" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of exchange rate changes on cash </link:label>
<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_36A74314DFD673BAD923BF51C38D5241_label_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_36A74314DFD673BAD923BF51C38D5241" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_36A74314DFD673BAD923BF51C38D5241" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_36A74314DFD673BAD923BF51C38D5241" xlink:to="lab_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_36A74314DFD673BAD923BF51C38D5241" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3C766C98670D108B8316BF51C38D9F47_totalLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3C766C98670D108B8316BF51C38D9F47" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net decrease in cash and cash equivalents </link:label>
<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3C766C98670D108B8316BF51C38D9F47_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3C766C98670D108B8316BF51C38D9F47" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3C766C98670D108B8316BF51C38D9F47" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3C766C98670D108B8316BF51C38D9F47" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_3C766C98670D108B8316BF51C38D9F47" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9F0503BB39040598BF5BBF51C38E2C05_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9F0503BB39040598BF5BBF51C38E2C05" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents, beginning of year </link:label>
<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9F0503BB39040598BF5BBF51C38E2C05_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9F0503BB39040598BF5BBF51C38E2C05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9F0503BB39040598BF5BBF51C38E2C05" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9F0503BB39040598BF5BBF51C38E2C05" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_9F0503BB39040598BF5BBF51C38E2C05" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_B84604E2CAA0618C2D0FBF51C38EC117_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_B84604E2CAA0618C2D0FBF51C38EC117" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents, end of year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_B84604E2CAA0618C2D0FBF51C38EC117" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_B84604E2CAA0618C2D0FBF51C38EC117" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_B84604E2CAA0618C2D0FBF51C38EC117" xlink:type="arc"/>
<link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_7D44071CA8DDF552BE7ABF51C38E6BFD_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_7D44071CA8DDF552BE7ABF51C38E6BFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental disclosure of cash flow information: </link:label>
<link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_7D44071CA8DDF552BE7ABF51C38E6BFD_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_7D44071CA8DDF552BE7ABF51C38E6BFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental Cash Flow Information [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_7D44071CA8DDF552BE7ABF51C38E6BFD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxesPaidNet_28119A9100306CE2C71DBF51C38E3840_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_28119A9100306CE2C71DBF51C38E3840" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash paid for income taxes </link:label>
<link:label id="lab_us-gaap_IncomeTaxesPaidNet_28119A9100306CE2C71DBF51C38E3840_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet_28119A9100306CE2C71DBF51C38E3840" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Taxes Paid, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_28119A9100306CE2C71DBF51C38E3840" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InterestPaidNet_9E7A150D17AE14BC4FD4BF51C38ED2FA_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidNet_9E7A150D17AE14BC4FD4BF51C38ED2FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash paid for interest </link:label>
<link:label id="lab_us-gaap_InterestPaidNet_9E7A150D17AE14BC4FD4BF51C38ED2FA_label_en-US" xlink:label="lab_us-gaap_InterestPaidNet_9E7A150D17AE14BC4FD4BF51C38ED2FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Paid, Excluding Capitalized Interest, Operating Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="loc_us-gaap_InterestPaidNet_9E7A150D17AE14BC4FD4BF51C38ED2FA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_7428C97AD8E2EC671FE2BF51C38EB371_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_7428C97AD8E2EC671FE2BF51C38EB371" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares issued in conjunction with settlement of convertible notes </link:label>
<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_7428C97AD8E2EC671FE2BF51C38EB371_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_7428C97AD8E2EC671FE2BF51C38EB371" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Value, Conversion of Convertible Securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_7428C97AD8E2EC671FE2BF51C38EB371" xlink:type="locator"/>
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<link:label id="lab_wdc_ConvertibleNoteHedgeAmount_8D5D1CE70F0973BC512EBF51C38F563F_negatedLabel_en-US" xlink:label="lab_wdc_ConvertibleNoteHedgeAmount_8D5D1CE70F0973BC512EBF51C38F563F" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Shares received in conjunction with assumed call options </link:label>
<link:label id="lab_wdc_ConvertibleNoteHedgeAmount_8D5D1CE70F0973BC512EBF51C38F563F_label_en-US" xlink:label="lab_wdc_ConvertibleNoteHedgeAmount_8D5D1CE70F0973BC512EBF51C38F563F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Convertible Note Hedge, Amount </link:label>
<link:label id="lab_wdc_ConvertibleNoteHedgeAmount_8D5D1CE70F0973BC512EBF51C38F563F_documentation_en-US" xlink:label="lab_wdc_ConvertibleNoteHedgeAmount_8D5D1CE70F0973BC512EBF51C38F563F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The value of stock acquired during the period convertible securities hedge. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_ConvertibleNoteHedgeAmount" xlink:label="loc_wdc_ConvertibleNoteHedgeAmount_8D5D1CE70F0973BC512EBF51C38F563F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ConvertibleNoteHedgeAmount_8D5D1CE70F0973BC512EBF51C38F563F" xlink:to="lab_wdc_ConvertibleNoteHedgeAmount_8D5D1CE70F0973BC512EBF51C38F563F" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_74514AF2D135EA0D7A8CB03DD7EE6F3B_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_74514AF2D135EA0D7A8CB03DD7EE6F3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_74514AF2D135EA0D7A8CB03DD7EE6F3B_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_74514AF2D135EA0D7A8CB03DD7EE6F3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments Due, Next Twelve Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_74514AF2D135EA0D7A8CB03DD7EE6F3B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_74514AF2D135EA0D7A8CB03DD7EE6F3B" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_74514AF2D135EA0D7A8CB03DD7EE6F3B" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_BECA5AC6B247744224D2B03DD7EFB170_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_BECA5AC6B247744224D2B03DD7EFB170" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_BECA5AC6B247744224D2B03DD7EFB170_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_BECA5AC6B247744224D2B03DD7EFB170" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Two Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_BECA5AC6B247744224D2B03DD7EFB170" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_BECA5AC6B247744224D2B03DD7EFB170" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_BECA5AC6B247744224D2B03DD7EFB170" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_835899987E2DD4A94682B03DD7EF4239_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_835899987E2DD4A94682B03DD7EF4239" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_835899987E2DD4A94682B03DD7EF4239_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_835899987E2DD4A94682B03DD7EF4239" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Three Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_835899987E2DD4A94682B03DD7EF4239" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_835899987E2DD4A94682B03DD7EF4239" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_835899987E2DD4A94682B03DD7EF4239" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_F6F9FE4F84B49E44C1A6B03DD7F07C3E_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_F6F9FE4F84B49E44C1A6B03DD7F07C3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_F6F9FE4F84B49E44C1A6B03DD7F07C3E_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_F6F9FE4F84B49E44C1A6B03DD7F07C3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Four Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_F6F9FE4F84B49E44C1A6B03DD7F07C3E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_F6F9FE4F84B49E44C1A6B03DD7F07C3E" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_F6F9FE4F84B49E44C1A6B03DD7F07C3E" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D00E466CA8A3FDAA7F25B03DD7F07E86_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D00E466CA8A3FDAA7F25B03DD7F07E86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D00E466CA8A3FDAA7F25B03DD7F07E86_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D00E466CA8A3FDAA7F25B03DD7F07E86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due in Five Years </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_D00E466CA8A3FDAA7F25B03DD7F07E86" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_B8D7CD39424006A5C3DFB03DD7F09860_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_B8D7CD39424006A5C3DFB03DD7F09860" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_B8D7CD39424006A5C3DFB03DD7F09860_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_B8D7CD39424006A5C3DFB03DD7F09860" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments, Due Thereafter </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_B8D7CD39424006A5C3DFB03DD7F09860" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_B8D7CD39424006A5C3DFB03DD7F09860" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_B8D7CD39424006A5C3DFB03DD7F09860" xlink:type="arc"/>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_2753B3F7E02340F8C151B03DD7F0AE09_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_2753B3F7E02340F8C151B03DD7F0AE09" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total future minimum lease payments </link:label>
<link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_2753B3F7E02340F8C151B03DD7F0AE09_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_2753B3F7E02340F8C151B03DD7F0AE09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Leases, Future Minimum Payments Due </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_2753B3F7E02340F8C151B03DD7F0AE09" xlink:type="locator"/>
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<link:label id="lab_wdc_SupplementalFinancialInformationTable_E2525C102365B34A2714B03DD99F32BB_terseLabel_en-US" xlink:label="lab_wdc_SupplementalFinancialInformationTable_E2525C102365B34A2714B03DD99F32BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental Financial Information [Table] </link:label>
<link:label id="lab_wdc_SupplementalFinancialInformationTable_E2525C102365B34A2714B03DD99F32BB_label_en-US" xlink:label="lab_wdc_SupplementalFinancialInformationTable_E2525C102365B34A2714B03DD99F32BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental Financial Information [Table] </link:label>
<link:label id="lab_wdc_SupplementalFinancialInformationTable_E2525C102365B34A2714B03DD99F32BB_documentation_en-US" xlink:label="lab_wdc_SupplementalFinancialInformationTable_E2525C102365B34A2714B03DD99F32BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Supplemental Financial Information [Table] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_SupplementalFinancialInformationTable" xlink:label="loc_wdc_SupplementalFinancialInformationTable_E2525C102365B34A2714B03DD99F32BB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CCC8F477BFB0022911EEB03DD99F1FC8_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CCC8F477BFB0022911EEB03DD99F1FC8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Axis] </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CCC8F477BFB0022911EEB03DD99F1FC8_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CCC8F477BFB0022911EEB03DD99F1FC8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CCC8F477BFB0022911EEB03DD99F1FC8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_862C5359A1C1A554BB73B03DD99FBF05_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_862C5359A1C1A554BB73B03DD99FBF05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Domain] </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_862C5359A1C1A554BB73B03DD99FBF05_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_862C5359A1C1A554BB73B03DD99FBF05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_862C5359A1C1A554BB73B03DD99FBF05" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LandMember_E3B2B495B5195FE842B1B03DD9A0DE20_terseLabel_en-US" xlink:label="lab_us-gaap_LandMember_E3B2B495B5195FE842B1B03DD9A0DE20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Land </link:label>
<link:label id="lab_us-gaap_LandMember_E3B2B495B5195FE842B1B03DD9A0DE20_label_en-US" xlink:label="lab_us-gaap_LandMember_E3B2B495B5195FE842B1B03DD9A0DE20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Land [Member] </link:label>
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<link:label id="lab_us-gaap_BuildingAndBuildingImprovementsMember_F91A15FB685E0ECB1ED0B03DD9A0FA00_terseLabel_en-US" xlink:label="lab_us-gaap_BuildingAndBuildingImprovementsMember_F91A15FB685E0ECB1ED0B03DD9A0FA00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Buildings and improvements </link:label>
<link:label id="lab_us-gaap_BuildingAndBuildingImprovementsMember_F91A15FB685E0ECB1ED0B03DD9A0FA00_label_en-US" xlink:label="lab_us-gaap_BuildingAndBuildingImprovementsMember_F91A15FB685E0ECB1ED0B03DD9A0FA00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Building and Building Improvements [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_F91A15FB685E0ECB1ED0B03DD9A0FA00" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BuildingAndBuildingImprovementsMember_F91A15FB685E0ECB1ED0B03DD9A0FA00" xlink:to="lab_us-gaap_BuildingAndBuildingImprovementsMember_F91A15FB685E0ECB1ED0B03DD9A0FA00" xlink:type="arc"/>
<link:label id="lab_us-gaap_MachineryAndEquipmentMember_3B7E891798A6D7E0380AB03DD9A07BCD_terseLabel_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentMember_3B7E891798A6D7E0380AB03DD9A07BCD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Machinery and equipment </link:label>
<link:label id="lab_us-gaap_MachineryAndEquipmentMember_3B7E891798A6D7E0380AB03DD9A07BCD_label_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentMember_3B7E891798A6D7E0380AB03DD9A07BCD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Machinery and Equipment [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_3B7E891798A6D7E0380AB03DD9A07BCD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MachineryAndEquipmentMember_3B7E891798A6D7E0380AB03DD9A07BCD" xlink:to="lab_us-gaap_MachineryAndEquipmentMember_3B7E891798A6D7E0380AB03DD9A07BCD" xlink:type="arc"/>
<link:label id="lab_wdc_ComputerEquipmentandSoftwareMember_54D90CC3AEA96A496153B03DD9A01905_terseLabel_en-US" xlink:label="lab_wdc_ComputerEquipmentandSoftwareMember_54D90CC3AEA96A496153B03DD9A01905" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Computer equipment and software </link:label>
<link:label id="lab_wdc_ComputerEquipmentandSoftwareMember_54D90CC3AEA96A496153B03DD9A01905_label_en-US" xlink:label="lab_wdc_ComputerEquipmentandSoftwareMember_54D90CC3AEA96A496153B03DD9A01905" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Computer Equipment and Software [Member] </link:label>
<link:label id="lab_wdc_ComputerEquipmentandSoftwareMember_54D90CC3AEA96A496153B03DD9A01905_documentation_en-US" xlink:label="lab_wdc_ComputerEquipmentandSoftwareMember_54D90CC3AEA96A496153B03DD9A01905" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Capitalized computer equipment and software purchases. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_ComputerEquipmentandSoftwareMember" xlink:label="loc_wdc_ComputerEquipmentandSoftwareMember_54D90CC3AEA96A496153B03DD9A01905" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ComputerEquipmentandSoftwareMember_54D90CC3AEA96A496153B03DD9A01905" xlink:to="lab_wdc_ComputerEquipmentandSoftwareMember_54D90CC3AEA96A496153B03DD9A01905" xlink:type="arc"/>
<link:label id="lab_us-gaap_FurnitureAndFixturesMember_1F92DC1F2B7247993B3FB03DD9A01880_terseLabel_en-US" xlink:label="lab_us-gaap_FurnitureAndFixturesMember_1F92DC1F2B7247993B3FB03DD9A01880" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Furniture and fixtures </link:label>
<link:label id="lab_us-gaap_FurnitureAndFixturesMember_1F92DC1F2B7247993B3FB03DD9A01880_label_en-US" xlink:label="lab_us-gaap_FurnitureAndFixturesMember_1F92DC1F2B7247993B3FB03DD9A01880" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Furniture and Fixtures [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_1F92DC1F2B7247993B3FB03DD9A01880" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FurnitureAndFixturesMember_1F92DC1F2B7247993B3FB03DD9A01880" xlink:to="lab_us-gaap_FurnitureAndFixturesMember_1F92DC1F2B7247993B3FB03DD9A01880" xlink:type="arc"/>
<link:label id="lab_us-gaap_ConstructionInProgressMember_855C14541398DB1A9340B03DD9A1FE66_terseLabel_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_855C14541398DB1A9340B03DD9A1FE66" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Construction-in-process </link:label>
<link:label id="lab_us-gaap_ConstructionInProgressMember_855C14541398DB1A9340B03DD9A1FE66_label_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_855C14541398DB1A9340B03DD9A1FE66" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Construction in Progress [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_us-gaap_ConstructionInProgressMember_855C14541398DB1A9340B03DD9A1FE66" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConstructionInProgressMember_855C14541398DB1A9340B03DD9A1FE66" xlink:to="lab_us-gaap_ConstructionInProgressMember_855C14541398DB1A9340B03DD9A1FE66" xlink:type="arc"/>
<link:label id="lab_wdc_SupplementalFinancialInformationLineItems_818ACBEBEA00C5E40CFAB03DD9A1D440_terseLabel_en-US" xlink:label="lab_wdc_SupplementalFinancialInformationLineItems_818ACBEBEA00C5E40CFAB03DD9A1D440" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental Financial Information [Line Items] </link:label>
<link:label id="lab_wdc_SupplementalFinancialInformationLineItems_818ACBEBEA00C5E40CFAB03DD9A1D440_label_en-US" xlink:label="lab_wdc_SupplementalFinancialInformationLineItems_818ACBEBEA00C5E40CFAB03DD9A1D440" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental Financial Information [Line Items] </link:label>
<link:label id="lab_wdc_SupplementalFinancialInformationLineItems_818ACBEBEA00C5E40CFAB03DD9A1D440_documentation_en-US" xlink:label="lab_wdc_SupplementalFinancialInformationLineItems_818ACBEBEA00C5E40CFAB03DD9A1D440" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Supplemental Financial Information [Line Items] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_SupplementalFinancialInformationLineItems" xlink:label="loc_wdc_SupplementalFinancialInformationLineItems_818ACBEBEA00C5E40CFAB03DD9A1D440" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_SupplementalFinancialInformationLineItems_818ACBEBEA00C5E40CFAB03DD9A1D440" xlink:to="lab_wdc_SupplementalFinancialInformationLineItems_818ACBEBEA00C5E40CFAB03DD9A1D440" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract_4FB3994CD8D9389CC1EAB03DD9A1B335_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract_4FB3994CD8D9389CC1EAB03DD9A1B335" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment: </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract_4FB3994CD8D9389CC1EAB03DD9A1B335_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract_4FB3994CD8D9389CC1EAB03DD9A1B335" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Net [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNetAbstract_4FB3994CD8D9389CC1EAB03DD9A1B335" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNetAbstract_4FB3994CD8D9389CC1EAB03DD9A1B335" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract_4FB3994CD8D9389CC1EAB03DD9A1B335" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_E254FEF74288F68194AFB03DD9A1420E_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_E254FEF74288F68194AFB03DD9A1420E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment, gross </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_E254FEF74288F68194AFB03DD9A1420E_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross_E254FEF74288F68194AFB03DD9A1420E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Gross </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_E254FEF74288F68194AFB03DD9A1420E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_E254FEF74288F68194AFB03DD9A1420E" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGross_E254FEF74288F68194AFB03DD9A1420E" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C371F78DF0C9B2154EBDB03DD9A2E18E_negatedLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C371F78DF0C9B2154EBDB03DD9A2E18E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Accumulated depreciation </link:label>
<link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C371F78DF0C9B2154EBDB03DD9A2E18E_label_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C371F78DF0C9B2154EBDB03DD9A2E18E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C371F78DF0C9B2154EBDB03DD9A2E18E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C371F78DF0C9B2154EBDB03DD9A2E18E" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_C371F78DF0C9B2154EBDB03DD9A2E18E" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_A431E2908D97BC4AABDCB03DD9A208E7_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_A431E2908D97BC4AABDCB03DD9A208E7" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Property, plant, and equipment, net </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_A431E2908D97BC4AABDCB03DD9A208E7_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_A431E2908D97BC4AABDCB03DD9A208E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_A431E2908D97BC4AABDCB03DD9A208E7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_A431E2908D97BC4AABDCB03DD9A208E7" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_A431E2908D97BC4AABDCB03DD9A208E7" xlink:type="arc"/>
<link:label id="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_F2B9B84A8D400F58CC99B03DD7DCE216_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_F2B9B84A8D400F58CC99B03DD7DCE216" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>
<link:label id="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_F2B9B84A8D400F58CC99B03DD7DCE216_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_F2B9B84A8D400F58CC99B03DD7DCE216" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation, Due in Next Twelve Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PurchaseObligationDueInNextTwelveMonths" xlink:label="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_F2B9B84A8D400F58CC99B03DD7DCE216" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInNextTwelveMonths_F2B9B84A8D400F58CC99B03DD7DCE216" xlink:to="lab_us-gaap_PurchaseObligationDueInNextTwelveMonths_F2B9B84A8D400F58CC99B03DD7DCE216" xlink:type="arc"/>
<link:label id="lab_us-gaap_PurchaseObligationDueInSecondYear_5B55436A717E38935539B03DD7DC77E0_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInSecondYear_5B55436A717E38935539B03DD7DC77E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>
<link:label id="lab_us-gaap_PurchaseObligationDueInSecondYear_5B55436A717E38935539B03DD7DC77E0_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInSecondYear_5B55436A717E38935539B03DD7DC77E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation, Due in Second Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PurchaseObligationDueInSecondYear" xlink:label="loc_us-gaap_PurchaseObligationDueInSecondYear_5B55436A717E38935539B03DD7DC77E0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInSecondYear_5B55436A717E38935539B03DD7DC77E0" xlink:to="lab_us-gaap_PurchaseObligationDueInSecondYear_5B55436A717E38935539B03DD7DC77E0" xlink:type="arc"/>
<link:label id="lab_us-gaap_PurchaseObligationDueInThirdYear_C717D06629C794534646B03DD7DC7D03_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInThirdYear_C717D06629C794534646B03DD7DC7D03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>
<link:label id="lab_us-gaap_PurchaseObligationDueInThirdYear_C717D06629C794534646B03DD7DC7D03_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInThirdYear_C717D06629C794534646B03DD7DC7D03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation, Due in Third Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PurchaseObligationDueInThirdYear" xlink:label="loc_us-gaap_PurchaseObligationDueInThirdYear_C717D06629C794534646B03DD7DC7D03" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PurchaseObligationDueInFourthYear_2BF55CEAF1C33965192DB03DD7DCA4D9_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFourthYear_2BF55CEAF1C33965192DB03DD7DCA4D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>
<link:label id="lab_us-gaap_PurchaseObligationDueInFourthYear_2BF55CEAF1C33965192DB03DD7DCA4D9_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFourthYear_2BF55CEAF1C33965192DB03DD7DCA4D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation, Due in Fourth Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PurchaseObligationDueInFourthYear" xlink:label="loc_us-gaap_PurchaseObligationDueInFourthYear_2BF55CEAF1C33965192DB03DD7DCA4D9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueInFourthYear_2BF55CEAF1C33965192DB03DD7DCA4D9" xlink:to="lab_us-gaap_PurchaseObligationDueInFourthYear_2BF55CEAF1C33965192DB03DD7DCA4D9" xlink:type="arc"/>
<link:label id="lab_us-gaap_PurchaseObligationDueInFifthYear_6CAFD3785C6001D1CDDFB03DD7DC8F64_verboseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFifthYear_6CAFD3785C6001D1CDDFB03DD7DC8F64" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> 2024 </link:label>
<link:label id="lab_us-gaap_PurchaseObligationDueInFifthYear_6CAFD3785C6001D1CDDFB03DD7DC8F64_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueInFifthYear_6CAFD3785C6001D1CDDFB03DD7DC8F64" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation, Due in Fifth Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PurchaseObligationDueInFifthYear" xlink:label="loc_us-gaap_PurchaseObligationDueInFifthYear_6CAFD3785C6001D1CDDFB03DD7DC8F64" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PurchaseObligationDueAfterFifthYear_146F4B73487C9AFF3FCAB03DD7DDEA1E_terseLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueAfterFifthYear_146F4B73487C9AFF3FCAB03DD7DDEA1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label>
<link:label id="lab_us-gaap_PurchaseObligationDueAfterFifthYear_146F4B73487C9AFF3FCAB03DD7DDEA1E_label_en-US" xlink:label="lab_us-gaap_PurchaseObligationDueAfterFifthYear_146F4B73487C9AFF3FCAB03DD7DDEA1E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation, Due after Fifth Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PurchaseObligationDueAfterFifthYear" xlink:label="loc_us-gaap_PurchaseObligationDueAfterFifthYear_146F4B73487C9AFF3FCAB03DD7DDEA1E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligationDueAfterFifthYear_146F4B73487C9AFF3FCAB03DD7DDEA1E" xlink:to="lab_us-gaap_PurchaseObligationDueAfterFifthYear_146F4B73487C9AFF3FCAB03DD7DDEA1E" xlink:type="arc"/>
<link:label id="lab_us-gaap_PurchaseObligation_BD2794C54BCAD093C252B03DD7DDC496_totalLabel_en-US" xlink:label="lab_us-gaap_PurchaseObligation_BD2794C54BCAD093C252B03DD7DDC496" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total </link:label>
<link:label id="lab_us-gaap_PurchaseObligation_BD2794C54BCAD093C252B03DD7DDC496_label_en-US" xlink:label="lab_us-gaap_PurchaseObligation_BD2794C54BCAD093C252B03DD7DDC496" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Obligation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PurchaseObligation" xlink:label="loc_us-gaap_PurchaseObligation_BD2794C54BCAD093C252B03DD7DDC496" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PurchaseObligation_BD2794C54BCAD093C252B03DD7DDC496" xlink:to="lab_us-gaap_PurchaseObligation_BD2794C54BCAD093C252B03DD7DDC496" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccruedIncomeTaxesNoncurrent_B59AF9497D45C4030C32B03DD9919EA8_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedIncomeTaxesNoncurrent_B59AF9497D45C4030C32B03DD9919EA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-current net tax payable </link:label>
<link:label id="lab_us-gaap_AccruedIncomeTaxesNoncurrent_B59AF9497D45C4030C32B03DD9919EA8_label_en-US" xlink:label="lab_us-gaap_AccruedIncomeTaxesNoncurrent_B59AF9497D45C4030C32B03DD9919EA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Income Taxes, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedIncomeTaxesNoncurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_B59AF9497D45C4030C32B03DD9919EA8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedIncomeTaxesNoncurrent_B59AF9497D45C4030C32B03DD9919EA8" xlink:to="lab_us-gaap_AccruedIncomeTaxesNoncurrent_B59AF9497D45C4030C32B03DD9919EA8" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_9BDCBDB01FE35CBFB1FFB03DD9910507_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_9BDCBDB01FE35CBFB1FFB03DD9910507" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payables related to unrecognized tax benefits </link:label>
<link:label id="lab_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_9BDCBDB01FE35CBFB1FFB03DD9910507_label_en-US" xlink:label="lab_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_9BDCBDB01FE35CBFB1FFB03DD9910507" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liability for Uncertainty in Income Taxes, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:label="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_9BDCBDB01FE35CBFB1FFB03DD9910507" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_9BDCBDB01FE35CBFB1FFB03DD9910507" xlink:to="lab_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_9BDCBDB01FE35CBFB1FFB03DD9910507" xlink:type="arc"/>
<link:label id="lab_wdc_OtherMiscellaniousLiabilitiesNoncurrent_1501DDA67DF386BCED37B03DD9918D20_terseLabel_en-US" xlink:label="lab_wdc_OtherMiscellaniousLiabilitiesNoncurrent_1501DDA67DF386BCED37B03DD9918D20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other non-current liabilities </link:label>
<link:label id="lab_wdc_OtherMiscellaniousLiabilitiesNoncurrent_1501DDA67DF386BCED37B03DD9918D20_label_en-US" xlink:label="lab_wdc_OtherMiscellaniousLiabilitiesNoncurrent_1501DDA67DF386BCED37B03DD9918D20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Miscellanious Liabilities, Noncurrent </link:label>
<link:label id="lab_wdc_OtherMiscellaniousLiabilitiesNoncurrent_1501DDA67DF386BCED37B03DD9918D20_documentation_en-US" xlink:label="lab_wdc_OtherMiscellaniousLiabilitiesNoncurrent_1501DDA67DF386BCED37B03DD9918D20" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other Miscellanious Liabilities, Noncurrent </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_OtherMiscellaniousLiabilitiesNoncurrent" xlink:label="loc_wdc_OtherMiscellaniousLiabilitiesNoncurrent_1501DDA67DF386BCED37B03DD9918D20" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_OtherMiscellaniousLiabilitiesNoncurrent_1501DDA67DF386BCED37B03DD9918D20" xlink:to="lab_wdc_OtherMiscellaniousLiabilitiesNoncurrent_1501DDA67DF386BCED37B03DD9918D20" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_B7DED26E319009EFD309B03DD9912607_totalLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_B7DED26E319009EFD309B03DD9912607" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total other non-current liabilities </link:label>
<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_B7DED26E319009EFD309B03DD9912607_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_B7DED26E319009EFD309B03DD9912607" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Liabilities, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_B7DED26E319009EFD309B03DD9912607" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_B7DED26E319009EFD309B03DD9912607" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_B7DED26E319009EFD309B03DD9912607" xlink:type="arc"/>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9F22D71565797CBDE809B03DD8B8217A_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9F22D71565797CBDE809B03DD8B8217A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9F22D71565797CBDE809B03DD8B8217A_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9F22D71565797CBDE809B03DD8B8217A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9F22D71565797CBDE809B03DD8B8217A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9F22D71565797CBDE809B03DD8B8217A" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9F22D71565797CBDE809B03DD8B8217A" xlink:type="arc"/>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8365A67D0E61870510D5B03DD8B8C2C3_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8365A67D0E61870510D5B03DD8B8C2C3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Major Class Name [Domain] </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8365A67D0E61870510D5B03DD8B8C2C3_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8365A67D0E61870510D5B03DD8B8C2C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Major Class Name [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8365A67D0E61870510D5B03DD8B8C2C3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8365A67D0E61870510D5B03DD8B8C2C3" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_8365A67D0E61870510D5B03DD8B8C2C3" xlink:type="arc"/>
<link:label id="lab_wdc_ExistingTechnologyMember_0E10EF132E4B596B49DFB03DD8B82EB5_terseLabel_en-US" xlink:label="lab_wdc_ExistingTechnologyMember_0E10EF132E4B596B49DFB03DD8B82EB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Existing technology </link:label>
<link:label id="lab_wdc_ExistingTechnologyMember_0E10EF132E4B596B49DFB03DD8B82EB5_label_en-US" xlink:label="lab_wdc_ExistingTechnologyMember_0E10EF132E4B596B49DFB03DD8B82EB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Existing Technology [Member] </link:label>
<link:label id="lab_wdc_ExistingTechnologyMember_0E10EF132E4B596B49DFB03DD8B82EB5_documentation_en-US" xlink:label="lab_wdc_ExistingTechnologyMember_0E10EF132E4B596B49DFB03DD8B82EB5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Existing technology. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_ExistingTechnologyMember" xlink:label="loc_wdc_ExistingTechnologyMember_0E10EF132E4B596B49DFB03DD8B82EB5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ExistingTechnologyMember_0E10EF132E4B596B49DFB03DD8B82EB5" xlink:to="lab_wdc_ExistingTechnologyMember_0E10EF132E4B596B49DFB03DD8B82EB5" xlink:type="arc"/>
<link:label id="lab_wdc_TradenamesandtrademarksMember_2A29D211374B0C71716FB03DD8B94D5F_terseLabel_en-US" xlink:label="lab_wdc_TradenamesandtrademarksMember_2A29D211374B0C71716FB03DD8B94D5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trade names and trademarks </link:label>
<link:label id="lab_wdc_TradenamesandtrademarksMember_2A29D211374B0C71716FB03DD8B94D5F_label_en-US" xlink:label="lab_wdc_TradenamesandtrademarksMember_2A29D211374B0C71716FB03DD8B94D5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trade names and trademarks [Member] </link:label>
<link:label id="lab_wdc_TradenamesandtrademarksMember_2A29D211374B0C71716FB03DD8B94D5F_documentation_en-US" xlink:label="lab_wdc_TradenamesandtrademarksMember_2A29D211374B0C71716FB03DD8B94D5F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Trade names and trademarks [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_TradenamesandtrademarksMember" xlink:label="loc_wdc_TradenamesandtrademarksMember_2A29D211374B0C71716FB03DD8B94D5F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_TradenamesandtrademarksMember_2A29D211374B0C71716FB03DD8B94D5F" xlink:to="lab_wdc_TradenamesandtrademarksMember_2A29D211374B0C71716FB03DD8B94D5F" xlink:type="arc"/>
<link:label id="lab_us-gaap_CustomerRelationshipsMember_FF86A155BFC381E9B3B4B03DD8B96EE9_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_FF86A155BFC381E9B3B4B03DD8B96EE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer relationships </link:label>
<link:label id="lab_us-gaap_CustomerRelationshipsMember_FF86A155BFC381E9B3B4B03DD8B96EE9_label_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_FF86A155BFC381E9B3B4B03DD8B96EE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer Relationships [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_FF86A155BFC381E9B3B4B03DD8B96EE9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CustomerRelationshipsMember_FF86A155BFC381E9B3B4B03DD8B96EE9" xlink:to="lab_us-gaap_CustomerRelationshipsMember_FF86A155BFC381E9B3B4B03DD8B96EE9" xlink:type="arc"/>
<link:label id="lab_wdc_OtherIntangibleMember_D632BBDA6AB68344628EB03DD8B90483_terseLabel_en-US" xlink:label="lab_wdc_OtherIntangibleMember_D632BBDA6AB68344628EB03DD8B90483" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other </link:label>
<link:label id="lab_wdc_OtherIntangibleMember_D632BBDA6AB68344628EB03DD8B90483_label_en-US" xlink:label="lab_wdc_OtherIntangibleMember_D632BBDA6AB68344628EB03DD8B90483" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Intangible [Member] </link:label>
<link:label id="lab_wdc_OtherIntangibleMember_D632BBDA6AB68344628EB03DD8B90483_documentation_en-US" xlink:label="lab_wdc_OtherIntangibleMember_D632BBDA6AB68344628EB03DD8B90483" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other intangible. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_OtherIntangibleMember" xlink:label="loc_wdc_OtherIntangibleMember_D632BBDA6AB68344628EB03DD8B90483" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_OtherIntangibleMember_D632BBDA6AB68344628EB03DD8B90483" xlink:to="lab_wdc_OtherIntangibleMember_D632BBDA6AB68344628EB03DD8B90483" xlink:type="arc"/>
<link:label id="lab_wdc_LeaseholdInterestsMember_970FB343657458BB8DE8B03DD8B9819F_terseLabel_en-US" xlink:label="lab_wdc_LeaseholdInterestsMember_970FB343657458BB8DE8B03DD8B9819F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Leasehold interests </link:label>
<link:label id="lab_wdc_LeaseholdInterestsMember_970FB343657458BB8DE8B03DD8B9819F_label_en-US" xlink:label="lab_wdc_LeaseholdInterestsMember_970FB343657458BB8DE8B03DD8B9819F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Leasehold Interests [Member] </link:label>
<link:label id="lab_wdc_LeaseholdInterestsMember_970FB343657458BB8DE8B03DD8B9819F_documentation_en-US" xlink:label="lab_wdc_LeaseholdInterestsMember_970FB343657458BB8DE8B03DD8B9819F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Leasehold interests. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_LeaseholdInterestsMember" xlink:label="loc_wdc_LeaseholdInterestsMember_970FB343657458BB8DE8B03DD8B9819F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_LeaseholdInterestsMember_970FB343657458BB8DE8B03DD8B9819F" xlink:to="lab_wdc_LeaseholdInterestsMember_970FB343657458BB8DE8B03DD8B9819F" xlink:type="arc"/>
<link:label id="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetWeightedAveragePeriodBeforeRenewalOrExtension_0905EF5A88793B2A16D1B03DD8BA4C57_terseLabel_en-US" xlink:label="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetWeightedAveragePeriodBeforeRenewalOrExtension_0905EF5A88793B2A16D1B03DD8BA4C57" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Amortization Period </link:label>
<link:label id="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetWeightedAveragePeriodBeforeRenewalOrExtension_0905EF5A88793B2A16D1B03DD8BA4C57_label_en-US" xlink:label="lab_us-gaap_AcquiredFiniteLivedIntangibleAssetWeightedAveragePeriodBeforeRenewalOrExtension_0905EF5A88793B2A16D1B03DD8BA4C57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Acquired Finite-lived Intangible Asset, Weighted-Average Period before Renewal or Extension </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetWeightedAveragePeriodBeforeRenewalOrExtension" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetWeightedAveragePeriodBeforeRenewalOrExtension_0905EF5A88793B2A16D1B03DD8BA4C57" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A82DBA38B3E26BE28115B03DD8BAAF7A_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A82DBA38B3E26BE28115B03DD8BAAF7A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finite-lived intangible assets </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A82DBA38B3E26BE28115B03DD8BAAF7A_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A82DBA38B3E26BE28115B03DD8BAAF7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Gross </link:label>
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<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsGross_A82DBA38B3E26BE28115B03DD8BAAF7A" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A82DBA38B3E26BE28115B03DD8BAAF7A" xlink:type="arc"/>
<link:label id="lab_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9E84457822B754393550B03DD8BB86AD_terseLabel_en-US" xlink:label="lab_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9E84457822B754393550B03DD8BB86AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> In-process research and development </link:label>
<link:label id="lab_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9E84457822B754393550B03DD8BB86AD_label_en-US" xlink:label="lab_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9E84457822B754393550B03DD8BB86AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Indefinite-lived Intangible Assets (Excluding Goodwill) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9E84457822B754393550B03DD8BB86AD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9E84457822B754393550B03DD8BB86AD" xlink:to="lab_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_9E84457822B754393550B03DD8BB86AD" xlink:type="arc"/>
<link:label id="lab_us-gaap_IntangibleAssetsGrossExcludingGoodwill_47CDC4562B3ABB7C2E34B03DD8BB3404_totalLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsGrossExcludingGoodwill_47CDC4562B3ABB7C2E34B03DD8BB3404" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total intangible assets </link:label>
<link:label id="lab_us-gaap_IntangibleAssetsGrossExcludingGoodwill_47CDC4562B3ABB7C2E34B03DD8BB3404_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsGrossExcludingGoodwill_47CDC4562B3ABB7C2E34B03DD8BB3404" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible Assets, Gross (Excluding Goodwill) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_47CDC4562B3ABB7C2E34B03DD8BB3404" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_47CDC4562B3ABB7C2E34B03DD8BB3404" xlink:to="lab_us-gaap_IntangibleAssetsGrossExcludingGoodwill_47CDC4562B3ABB7C2E34B03DD8BB3404" xlink:type="arc"/>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5F5377539357E9AB5D15B03DD8BB9E24_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5F5377539357E9AB5D15B03DD8BB9E24" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated amortization </link:label>
<link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5F5377539357E9AB5D15B03DD8BB9E24_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5F5377539357E9AB5D15B03DD8BB9E24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Finite-Lived Intangible Assets, Accumulated Amortization </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5F5377539357E9AB5D15B03DD8BB9E24" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5F5377539357E9AB5D15B03DD8BB9E24" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_5F5377539357E9AB5D15B03DD8BB9E24" xlink:type="arc"/>
<link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_CF74FB30DAFB9C22EC63B03DD8BB34A6_totalLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_CF74FB30DAFB9C22EC63B03DD8BB34A6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Intangible assets, net </link:label>
<link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_CF74FB30DAFB9C22EC63B03DD8BB34A6_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_CF74FB30DAFB9C22EC63B03DD8BB34A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intangible Assets, Net (Excluding Goodwill) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_CF74FB30DAFB9C22EC63B03DD8BB34A6" xlink:type="locator"/>
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<link:label id="lab_srt_ScheduleOfCondensedFinancialStatementsTableTextBlock_5AD81D12AB24E4F862CAB03DD573D692_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfCondensedFinancialStatementsTableTextBlock_5AD81D12AB24E4F862CAB03DD573D692" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Separate Financial Information of Guarantor Subsidiaries </link:label>
<link:label id="lab_srt_ScheduleOfCondensedFinancialStatementsTableTextBlock_5AD81D12AB24E4F862CAB03DD573D692_label_en-US" xlink:label="lab_srt_ScheduleOfCondensedFinancialStatementsTableTextBlock_5AD81D12AB24E4F862CAB03DD573D692" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Financial Statements [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScheduleOfCondensedFinancialStatementsTableTextBlock" xlink:label="loc_srt_ScheduleOfCondensedFinancialStatementsTableTextBlock_5AD81D12AB24E4F862CAB03DD573D692" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_D3165E6CFD9FD74A2C40B03DD9B2A223_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_D3165E6CFD9FD74A2C40B03DD9B2A223" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Supplemental Financial Statement Data </link:label>
<link:label id="lab_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_D3165E6CFD9FD74A2C40B03DD9B2A223_label_en-US" xlink:label="lab_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_D3165E6CFD9FD74A2C40B03DD9B2A223" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Supplemental Balance Sheet Disclosures [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SupplementalBalanceSheetDisclosuresTextBlock" xlink:label="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_D3165E6CFD9FD74A2C40B03DD9B2A223" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeStatementAbstract_01DF1C8CA691A6F24699BEFE3B44EDE2_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_01DF1C8CA691A6F24699BEFE3B44EDE2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Statement [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_01DF1C8CA691A6F24699BEFE3B44EDE2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_44EF87EB0EB274AC1CC7BEFE3B44FBBE_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_44EF87EB0EB274AC1CC7BEFE3B44FBBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cost of revenue </link:label>
<link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_44EF87EB0EB274AC1CC7BEFE3B44FBBE_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_44EF87EB0EB274AC1CC7BEFE3B44FBBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cost of Goods and Services Sold </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_44EF87EB0EB274AC1CC7BEFE3B44FBBE" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GrossProfit_6EAD6A4B8EDFFD91F2A9BEFE3B457E7B_totalLabel_en-US" xlink:label="lab_us-gaap_GrossProfit_6EAD6A4B8EDFFD91F2A9BEFE3B457E7B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Gross profit </link:label>
<link:label id="lab_us-gaap_GrossProfit_6EAD6A4B8EDFFD91F2A9BEFE3B457E7B_label_en-US" xlink:label="lab_us-gaap_GrossProfit_6EAD6A4B8EDFFD91F2A9BEFE3B457E7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Gross Profit </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_6EAD6A4B8EDFFD91F2A9BEFE3B457E7B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingExpensesAbstract_60D2FF5FF740A548EA3ABEFE3B45CC43_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_60D2FF5FF740A548EA3ABEFE3B45CC43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating expenses: </link:label>
<link:label id="lab_us-gaap_OperatingExpensesAbstract_60D2FF5FF740A548EA3ABEFE3B45CC43_label_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract_60D2FF5FF740A548EA3ABEFE3B45CC43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expenses [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_60D2FF5FF740A548EA3ABEFE3B45CC43" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_812CB7262E7EAAD6D50FBEFE3B45AD25_terseLabel_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_812CB7262E7EAAD6D50FBEFE3B45AD25" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Research and development </link:label>
<link:label id="lab_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_812CB7262E7EAAD6D50FBEFE3B45AD25_label_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_812CB7262E7EAAD6D50FBEFE3B45AD25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Research and Development Expense (Excluding Acquired in Process Cost) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost_812CB7262E7EAAD6D50FBEFE3B45AD25" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_56DDCBB6F6901E58A51DBEFE3B45B310_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_56DDCBB6F6901E58A51DBEFE3B45B310" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Selling, general and administrative </link:label>
<link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_56DDCBB6F6901E58A51DBEFE3B45B310_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_56DDCBB6F6901E58A51DBEFE3B45B310" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Selling, General and Administrative Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_56DDCBB6F6901E58A51DBEFE3B45B310" xlink:type="locator"/>
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<link:label id="lab_wdc_Employeeterminationassetimpairmentandothercharges_09138BE5F885E4CF44B7BEFE3B455EE5_terseLabel_en-US" xlink:label="lab_wdc_Employeeterminationassetimpairmentandothercharges_09138BE5F885E4CF44B7BEFE3B455EE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee termination, asset impairment, and other charges </link:label>
<link:label id="lab_wdc_Employeeterminationassetimpairmentandothercharges_09138BE5F885E4CF44B7BEFE3B455EE5_label_en-US" xlink:label="lab_wdc_Employeeterminationassetimpairmentandothercharges_09138BE5F885E4CF44B7BEFE3B455EE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee termination, asset impairment and other charges </link:label>
<link:label id="lab_wdc_Employeeterminationassetimpairmentandothercharges_09138BE5F885E4CF44B7BEFE3B455EE5_documentation_en-US" xlink:label="lab_wdc_Employeeterminationassetimpairmentandothercharges_09138BE5F885E4CF44B7BEFE3B455EE5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Employee termination, asset impairment and other charges incurred. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_Employeeterminationassetimpairmentandothercharges" xlink:label="loc_wdc_Employeeterminationassetimpairmentandothercharges_09138BE5F885E4CF44B7BEFE3B455EE5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingExpenses_3F408CCE8922FC70B14ABEFE3B46ADDF_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingExpenses_3F408CCE8922FC70B14ABEFE3B46ADDF" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total operating expenses </link:label>
<link:label id="lab_us-gaap_OperatingExpenses_3F408CCE8922FC70B14ABEFE3B46ADDF_label_en-US" xlink:label="lab_us-gaap_OperatingExpenses_3F408CCE8922FC70B14ABEFE3B46ADDF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Expenses </link:label>
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<link:label id="lab_us-gaap_OperatingIncomeLoss_58DDB1AA59514F3A3336BEFE3B46591C_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_58DDB1AA59514F3A3336BEFE3B46591C" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Operating income </link:label>
<link:label id="lab_us-gaap_OperatingIncomeLoss_58DDB1AA59514F3A3336BEFE3B46591C_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_58DDB1AA59514F3A3336BEFE3B46591C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Income (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_58DDB1AA59514F3A3336BEFE3B46591C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_043F737989D2CAFBA037BEFE3B461FF1_terseLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract_043F737989D2CAFBA037BEFE3B461FF1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest and other income (expense): </link:label>
<link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_043F737989D2CAFBA037BEFE3B461FF1_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract_043F737989D2CAFBA037BEFE3B461FF1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Nonoperating Income (Expense) [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_043F737989D2CAFBA037BEFE3B461FF1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InvestmentIncomeInterest_46D472FAB695063356DABEFE3B460709_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_46D472FAB695063356DABEFE3B460709" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest income </link:label>
<link:label id="lab_us-gaap_InvestmentIncomeInterest_46D472FAB695063356DABEFE3B460709_label_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_46D472FAB695063356DABEFE3B460709" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment Income, Interest </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_46D472FAB695063356DABEFE3B460709" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InterestExpense_1B25D28D4CC52CD15187BEFE3B474A18_negatedLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_1B25D28D4CC52CD15187BEFE3B474A18" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Interest expense </link:label>
<link:label id="lab_us-gaap_InterestExpense_1B25D28D4CC52CD15187BEFE3B474A18_label_en-US" xlink:label="lab_us-gaap_InterestExpense_1B25D28D4CC52CD15187BEFE3B474A18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_1B25D28D4CC52CD15187BEFE3B474A18" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_48AF4C428DFB062B6800BEFE3B479AC9_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_48AF4C428DFB062B6800BEFE3B479AC9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other income (expense), net </link:label>
<link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_48AF4C428DFB062B6800BEFE3B479AC9_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_48AF4C428DFB062B6800BEFE3B479AC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Nonoperating Income (Expense) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_48AF4C428DFB062B6800BEFE3B479AC9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NonoperatingIncomeExpense_076F15E0AE4AEB918050BEFE3B474EC7_totalLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_076F15E0AE4AEB918050BEFE3B474EC7" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total interest and other expense, net </link:label>
<link:label id="lab_us-gaap_NonoperatingIncomeExpense_076F15E0AE4AEB918050BEFE3B474EC7_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense_076F15E0AE4AEB918050BEFE3B474EC7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Nonoperating Income (Expense) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_076F15E0AE4AEB918050BEFE3B474EC7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_6FADA53BC72D955151E1BEFE3B47D1B6_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_6FADA53BC72D955151E1BEFE3B47D1B6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Income (loss) before taxes </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_6FADA53BC72D955151E1BEFE3B47D1B6_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_6FADA53BC72D955151E1BEFE3B47D1B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest </link:label>
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<link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_E6D8B934DEFFDDF2BA34BEFE3B474890_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_E6D8B934DEFFDDF2BA34BEFE3B474890" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_E6D8B934DEFFDDF2BA34BEFE3B474890" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetIncomeLoss_1EF4037E401EC0FDE8C5BEFE3B476C1E_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_1EF4037E401EC0FDE8C5BEFE3B476C1E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net income (loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_1EF4037E401EC0FDE8C5BEFE3B476C1E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareAbstract_BB53F968209A0BA7E42FBEFE3B472B77_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_BB53F968209A0BA7E42FBEFE3B472B77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income (loss) per common share </link:label>
<link:label id="lab_us-gaap_EarningsPerShareAbstract_BB53F968209A0BA7E42FBEFE3B472B77_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_BB53F968209A0BA7E42FBEFE3B472B77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_BB53F968209A0BA7E42FBEFE3B472B77" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareBasic_304E79F575785F6E1302BEFE3B484BB3_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_304E79F575785F6E1302BEFE3B484BB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basic (in dollars per share) </link:label>
<link:label id="lab_us-gaap_EarningsPerShareBasic_304E79F575785F6E1302BEFE3B484BB3_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_304E79F575785F6E1302BEFE3B484BB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Basic </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_304E79F575785F6E1302BEFE3B484BB3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EarningsPerShareDiluted_49FB891A8350D10B6FC6BEFE3B4895A3_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_49FB891A8350D10B6FC6BEFE3B4895A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Diluted (in dollars per share) </link:label>
<link:label id="lab_us-gaap_EarningsPerShareDiluted_49FB891A8350D10B6FC6BEFE3B4895A3_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_49FB891A8350D10B6FC6BEFE3B4895A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share, Diluted </link:label>
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<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D2E7D9D00948177D2201BEFE3B486FD7_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D2E7D9D00948177D2201BEFE3B486FD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted average shares outstanding: </link:label>
<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D2E7D9D00948177D2201BEFE3B486FD7_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_D2E7D9D00948177D2201BEFE3B486FD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Diluted [Abstract] </link:label>
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<link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5FB627C54AE76B3F1E11BEFE3B48E791_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5FB627C54AE76B3F1E11BEFE3B48E791" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Basic </link:label>
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<link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_45FEB85C57A19417105DBEFE3B48BAFC_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_45FEB85C57A19417105DBEFE3B48BAFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Diluted (in shares) </link:label>
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<link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_B03251FE622343C486A9BEFE3B496410_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_B03251FE622343C486A9BEFE3B496410" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash dividends declared per share (in USD per share) </link:label>
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<link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_36F7B1AE782608FB8410B03DD89E31A6_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_36F7B1AE782608FB8410B03DD89E31A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Pensions and Other Post-retirement Benefit Plans </link:label>
<link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_36F7B1AE782608FB8410B03DD89E31A6_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_36F7B1AE782608FB8410B03DD89E31A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Pension and Other Postretirement Benefits Disclosure [Text Block] </link:label>
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<link:label id="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_E6DB57387B18DD880F03BEFECD5A1EC0_label_en-US" xlink:label="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_E6DB57387B18DD880F03BEFECD5A1EC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Comprehensive Income [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_E6DB57387B18DD880F03BEFECD5A1EC0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_DAFBEBCCAEA1FD174F5EBEFECD5A7242_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_DAFBEBCCAEA1FD174F5EBEFECD5A7242" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other comprehensive income (loss), before tax: </link:label>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_DAFBEBCCAEA1FD174F5EBEFECD5A7242_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_DAFBEBCCAEA1FD174F5EBEFECD5A7242" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Net of Tax [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_DAFBEBCCAEA1FD174F5EBEFECD5A7242" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_719AB2663375A4F649E9BEFECD5AB2EF_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_719AB2663375A4F649E9BEFECD5AB2EF" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Actuarial pension gain (loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_719AB2663375A4F649E9BEFECD5AB2EF" xlink:type="locator"/>
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<link:label id="lab_srt_CondensedBalanceSheetStatementTable_25A474B2BEBEF63620A3B03DD5550A0E_terseLabel_en-US" xlink:label="lab_srt_CondensedBalanceSheetStatementTable_25A474B2BEBEF63620A3B03DD5550A0E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Balance Sheet Statement [Table] </link:label>
<link:label id="lab_srt_CondensedBalanceSheetStatementTable_25A474B2BEBEF63620A3B03DD5550A0E_label_en-US" xlink:label="lab_srt_CondensedBalanceSheetStatementTable_25A474B2BEBEF63620A3B03DD5550A0E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Balance Sheet Statement [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedBalanceSheetStatementTable" xlink:label="loc_srt_CondensedBalanceSheetStatementTable_25A474B2BEBEF63620A3B03DD5550A0E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AssetsAbstract_D71B3BD93DFE087D9ED3B03DD5598ABF_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_D71B3BD93DFE087D9ED3B03DD5598ABF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> ASSETS </link:label>
<link:label id="lab_us-gaap_AssetsAbstract_D71B3BD93DFE087D9ED3B03DD5598ABF_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_D71B3BD93DFE087D9ED3B03DD5598ABF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_D71B3BD93DFE087D9ED3B03DD5598ABF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AssetsCurrentAbstract_CF6E432CAF9FAE6644A1B03DD559B4CF_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_CF6E432CAF9FAE6644A1B03DD559B4CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current assets: </link:label>
<link:label id="lab_us-gaap_AssetsCurrentAbstract_CF6E432CAF9FAE6644A1B03DD559B4CF_label_en-US" xlink:label="lab_us-gaap_AssetsCurrentAbstract_CF6E432CAF9FAE6644A1B03DD559B4CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current [Abstract] </link:label>
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<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A69CEB7E9F664C5CA95BB03DD559FA6F_verboseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A69CEB7E9F664C5CA95BB03DD559FA6F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A69CEB7E9F664C5CA95BB03DD559FA6F_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A69CEB7E9F664C5CA95BB03DD559FA6F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, at Carrying Value </link:label>
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<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_71B59F63EC5BF98144C2B03DD55AC045_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_71B59F63EC5BF98144C2B03DD55AC045" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts receivable, net </link:label>
<link:label id="lab_us-gaap_AccountsReceivableNetCurrent_71B59F63EC5BF98144C2B03DD55AC045_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent_71B59F63EC5BF98144C2B03DD55AC045" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable, after Allowance for Credit Loss, Current </link:label>
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<link:label id="lab_wdc_IntercompanyReceivableNetCurrent_98F4E3B7B31B59D8C82EB03DD55A2FCD_terseLabel_en-US" xlink:label="lab_wdc_IntercompanyReceivableNetCurrent_98F4E3B7B31B59D8C82EB03DD55A2FCD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Intercompany receivables </link:label>
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<link:label id="lab_us-gaap_DueFromAffiliateCurrent_F592F8B8F5CB35B4A8C5B03DD55A1F6B_terseLabel_en-US" xlink:label="lab_us-gaap_DueFromAffiliateCurrent_F592F8B8F5CB35B4A8C5B03DD55A1F6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loans due from consolidated affiliates </link:label>
<link:label id="lab_us-gaap_DueFromAffiliateCurrent_F592F8B8F5CB35B4A8C5B03DD55A1F6B_label_en-US" xlink:label="lab_us-gaap_DueFromAffiliateCurrent_F592F8B8F5CB35B4A8C5B03DD55A1F6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Due from Affiliate, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DueFromAffiliateCurrent" xlink:label="loc_us-gaap_DueFromAffiliateCurrent_F592F8B8F5CB35B4A8C5B03DD55A1F6B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueFromAffiliateCurrent_F592F8B8F5CB35B4A8C5B03DD55A1F6B" xlink:to="lab_us-gaap_DueFromAffiliateCurrent_F592F8B8F5CB35B4A8C5B03DD55A1F6B" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherAssetsCurrent_981E14EBBFBFB331DE38B03DD55BEB2D_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_981E14EBBFBFB331DE38B03DD55BEB2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other current assets </link:label>
<link:label id="lab_us-gaap_OtherAssetsCurrent_981E14EBBFBFB331DE38B03DD55BEB2D_label_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_981E14EBBFBFB331DE38B03DD55BEB2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_981E14EBBFBFB331DE38B03DD55BEB2D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsCurrent_981E14EBBFBFB331DE38B03DD55BEB2D" xlink:to="lab_us-gaap_OtherAssetsCurrent_981E14EBBFBFB331DE38B03DD55BEB2D" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsCurrent_8C5C3EF328D7D49A734EB03DD55B0A42_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent_8C5C3EF328D7D49A734EB03DD55B0A42" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current assets </link:label>
<link:label id="lab_us-gaap_AssetsCurrent_8C5C3EF328D7D49A734EB03DD55B0A42_label_en-US" xlink:label="lab_us-gaap_AssetsCurrent_8C5C3EF328D7D49A734EB03DD55B0A42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_8C5C3EF328D7D49A734EB03DD55B0A42" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent_8C5C3EF328D7D49A734EB03DD55B0A42" xlink:to="lab_us-gaap_AssetsCurrent_8C5C3EF328D7D49A734EB03DD55B0A42" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsNoncurrentAbstract_A57EC58CBCD34BC6D069B03DD55B350A_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_A57EC58CBCD34BC6D069B03DD55B350A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-current assets: </link:label>
<link:label id="lab_us-gaap_AssetsNoncurrentAbstract_A57EC58CBCD34BC6D069B03DD55B350A_label_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentAbstract_A57EC58CBCD34BC6D069B03DD55B350A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Noncurrent [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsNoncurrentAbstract" xlink:label="loc_us-gaap_AssetsNoncurrentAbstract_A57EC58CBCD34BC6D069B03DD55B350A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsNoncurrentAbstract_A57EC58CBCD34BC6D069B03DD55B350A" xlink:to="lab_us-gaap_AssetsNoncurrentAbstract_A57EC58CBCD34BC6D069B03DD55B350A" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_9FB3CCF6C2D5875D1FCFB03DD55BBC85_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet_9FB3CCF6C2D5875D1FCFB03DD55BBC85" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment, net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_9FB3CCF6C2D5875D1FCFB03DD55BBC85" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_9FB3CCF6C2D5875D1FCFB03DD55BBC85" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet_9FB3CCF6C2D5875D1FCFB03DD55BBC85" xlink:type="arc"/>
<link:label id="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_EEBB769B68A467F17DE7B03DD55C5543_terseLabel_en-US" xlink:label="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_EEBB769B68A467F17DE7B03DD55C5543" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Notes receivable and investments in Flash Ventures </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_NotesReceivableAndInvestmentsInRelatedParties" xlink:label="loc_wdc_NotesReceivableAndInvestmentsInRelatedParties_EEBB769B68A467F17DE7B03DD55C5543" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_NotesReceivableAndInvestmentsInRelatedParties_EEBB769B68A467F17DE7B03DD55C5543" xlink:to="lab_wdc_NotesReceivableAndInvestmentsInRelatedParties_EEBB769B68A467F17DE7B03DD55C5543" xlink:type="arc"/>
<link:label id="lab_us-gaap_Goodwill_40CC6BE15E9C8CA01D1FB03DD55CC808_terseLabel_en-US" xlink:label="lab_us-gaap_Goodwill_40CC6BE15E9C8CA01D1FB03DD55CC808" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:label id="lab_us-gaap_Goodwill_40CC6BE15E9C8CA01D1FB03DD55CC808_label_en-US" xlink:label="lab_us-gaap_Goodwill_40CC6BE15E9C8CA01D1FB03DD55CC808" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_40CC6BE15E9C8CA01D1FB03DD55CC808" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Goodwill_40CC6BE15E9C8CA01D1FB03DD55CC808" xlink:to="lab_us-gaap_Goodwill_40CC6BE15E9C8CA01D1FB03DD55CC808" xlink:type="arc"/>
<link:label id="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_346F5BBD05E5DF624C01B03DD55C7223_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_346F5BBD05E5DF624C01B03DD55C7223" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other intangible assets, net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_346F5BBD05E5DF624C01B03DD55C7223" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_346F5BBD05E5DF624C01B03DD55C7223" xlink:to="lab_us-gaap_IntangibleAssetsNetExcludingGoodwill_346F5BBD05E5DF624C01B03DD55C7223" xlink:type="arc"/>
<link:label id="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F6F2E2DE61A7EEBA829AB03DD55C3DAE_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F6F2E2DE61A7EEBA829AB03DD55C3DAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investments in consolidated subsidiaries </link:label>
<link:label id="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F6F2E2DE61A7EEBA829AB03DD55C3DAE_label_en-US" xlink:label="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F6F2E2DE61A7EEBA829AB03DD55C3DAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F6F2E2DE61A7EEBA829AB03DD55C3DAE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F6F2E2DE61A7EEBA829AB03DD55C3DAE" xlink:to="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F6F2E2DE61A7EEBA829AB03DD55C3DAE" xlink:type="arc"/>
<link:label id="lab_us-gaap_DueFromAffiliateNoncurrent_43ED6DE68C323F2D719DB03DD55CF105_terseLabel_en-US" xlink:label="lab_us-gaap_DueFromAffiliateNoncurrent_43ED6DE68C323F2D719DB03DD55CF105" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loans due from consolidated affiliates </link:label>
<link:label id="lab_us-gaap_DueFromAffiliateNoncurrent_43ED6DE68C323F2D719DB03DD55CF105_label_en-US" xlink:label="lab_us-gaap_DueFromAffiliateNoncurrent_43ED6DE68C323F2D719DB03DD55CF105" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Due from Affiliate, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DueFromAffiliateNoncurrent" xlink:label="loc_us-gaap_DueFromAffiliateNoncurrent_43ED6DE68C323F2D719DB03DD55CF105" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueFromAffiliateNoncurrent_43ED6DE68C323F2D719DB03DD55CF105" xlink:to="lab_us-gaap_DueFromAffiliateNoncurrent_43ED6DE68C323F2D719DB03DD55CF105" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherAssetsNoncurrent_9D224D3DEDD7EC84C82BB03DD55DB284_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_9D224D3DEDD7EC84C82BB03DD55DB284" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other non-current assets </link:label>
<link:label id="lab_us-gaap_OtherAssetsNoncurrent_9D224D3DEDD7EC84C82BB03DD55DB284_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent_9D224D3DEDD7EC84C82BB03DD55DB284" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_9D224D3DEDD7EC84C82BB03DD55DB284" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_9D224D3DEDD7EC84C82BB03DD55DB284" xlink:to="lab_us-gaap_OtherAssetsNoncurrent_9D224D3DEDD7EC84C82BB03DD55DB284" xlink:type="arc"/>
<link:label id="lab_us-gaap_Assets_CBB34866AAA9162829A0B03DD55D172B_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_CBB34866AAA9162829A0B03DD55D172B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets </link:label>
<link:label id="lab_us-gaap_Assets_CBB34866AAA9162829A0B03DD55D172B_label_en-US" xlink:label="lab_us-gaap_Assets_CBB34866AAA9162829A0B03DD55D172B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_CBB34866AAA9162829A0B03DD55D172B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_CBB34866AAA9162829A0B03DD55D172B" xlink:to="lab_us-gaap_Assets_CBB34866AAA9162829A0B03DD55D172B" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_2560AC3A94074197AD2FB03DD55D2FC0_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_2560AC3A94074197AD2FB03DD55D2FC0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> LIABILITIES AND SHAREHOLDERS’ EQUITY </link:label>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_2560AC3A94074197AD2FB03DD55D2FC0_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_2560AC3A94074197AD2FB03DD55D2FC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_2560AC3A94074197AD2FB03DD55D2FC0" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LiabilitiesAbstract_C7AADA714055B2175334B03DD55D300C_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract_C7AADA714055B2175334B03DD55D300C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Liabilities: </link:label>
<link:label id="lab_us-gaap_LiabilitiesAbstract_C7AADA714055B2175334B03DD55D300C_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract_C7AADA714055B2175334B03DD55D300C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract_C7AADA714055B2175334B03DD55D300C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAbstract_C7AADA714055B2175334B03DD55D300C" xlink:to="lab_us-gaap_LiabilitiesAbstract_C7AADA714055B2175334B03DD55D300C" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_AB44266014A290E26B89B03DD55E5FBA_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_AB44266014A290E26B89B03DD55E5FBA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current liabilities: </link:label>
<link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_AB44266014A290E26B89B03DD55E5FBA_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract_AB44266014A290E26B89B03DD55E5FBA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_AB44266014A290E26B89B03DD55E5FBA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccountsPayableCurrent_9D8BF7CE855EC70D2018B03DD55E4492_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_9D8BF7CE855EC70D2018B03DD55E4492" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable </link:label>
<link:label id="lab_us-gaap_AccountsPayableCurrent_9D8BF7CE855EC70D2018B03DD55E4492_label_en-US" xlink:label="lab_us-gaap_AccountsPayableCurrent_9D8BF7CE855EC70D2018B03DD55E4492" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_9D8BF7CE855EC70D2018B03DD55E4492" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccountsPayableRelatedPartiesCurrent_DA18A475B8DECDD1E368B03DD55ECAC4_verboseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableRelatedPartiesCurrent_DA18A475B8DECDD1E368B03DD55ECAC4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable to related parties </link:label>
<link:label id="lab_us-gaap_AccountsPayableRelatedPartiesCurrent_DA18A475B8DECDD1E368B03DD55ECAC4_label_en-US" xlink:label="lab_us-gaap_AccountsPayableRelatedPartiesCurrent_DA18A475B8DECDD1E368B03DD55ECAC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Payable, Related Parties, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsPayableRelatedPartiesCurrent" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_DA18A475B8DECDD1E368B03DD55ECAC4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_DA18A475B8DECDD1E368B03DD55ECAC4" xlink:to="lab_us-gaap_AccountsPayableRelatedPartiesCurrent_DA18A475B8DECDD1E368B03DD55ECAC4" xlink:type="arc"/>
<link:label id="lab_wdc_IntercompanyPayableCurrent_74AAE13F7B9CCA0075A4B03DD55E8F6D_terseLabel_en-US" xlink:label="lab_wdc_IntercompanyPayableCurrent_74AAE13F7B9CCA0075A4B03DD55E8F6D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Intercompany payables </link:label>
<link:label id="lab_wdc_IntercompanyPayableCurrent_74AAE13F7B9CCA0075A4B03DD55E8F6D_label_en-US" xlink:label="lab_wdc_IntercompanyPayableCurrent_74AAE13F7B9CCA0075A4B03DD55E8F6D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intercompany Payable, Current </link:label>
<link:label id="lab_wdc_IntercompanyPayableCurrent_74AAE13F7B9CCA0075A4B03DD55E8F6D_documentation_en-US" xlink:label="lab_wdc_IntercompanyPayableCurrent_74AAE13F7B9CCA0075A4B03DD55E8F6D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Intercompany Payable, Current </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_IntercompanyPayableCurrent" xlink:label="loc_wdc_IntercompanyPayableCurrent_74AAE13F7B9CCA0075A4B03DD55E8F6D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_IntercompanyPayableCurrent_74AAE13F7B9CCA0075A4B03DD55E8F6D" xlink:to="lab_wdc_IntercompanyPayableCurrent_74AAE13F7B9CCA0075A4B03DD55E8F6D" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_7B3478BC47CFF57D4721B03DD55F7120_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_7B3478BC47CFF57D4721B03DD55F7120" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued expenses </link:label>
<link:label id="lab_us-gaap_AccruedLiabilitiesCurrent_7B3478BC47CFF57D4721B03DD55F7120_label_en-US" xlink:label="lab_us-gaap_AccruedLiabilitiesCurrent_7B3478BC47CFF57D4721B03DD55F7120" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accrued Liabilities, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_7B3478BC47CFF57D4721B03DD55F7120" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_7B3478BC47CFF57D4721B03DD55F7120" xlink:to="lab_us-gaap_AccruedLiabilitiesCurrent_7B3478BC47CFF57D4721B03DD55F7120" xlink:type="arc"/>
<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_44238DA27C4B4E86A0FEB03DD55F36BB_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_44238DA27C4B4E86A0FEB03DD55F36BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accrued compensation </link:label>
<link:label id="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_44238DA27C4B4E86A0FEB03DD55F36BB_label_en-US" xlink:label="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_44238DA27C4B4E86A0FEB03DD55F36BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee-related Liabilities, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_44238DA27C4B4E86A0FEB03DD55F36BB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_44238DA27C4B4E86A0FEB03DD55F36BB" xlink:to="lab_us-gaap_EmployeeRelatedLiabilitiesCurrent_44238DA27C4B4E86A0FEB03DD55F36BB" xlink:type="arc"/>
<link:label id="lab_us-gaap_DueToAffiliateCurrent_DA845155A5DEEDF018BAB03DD55F7352_terseLabel_en-US" xlink:label="lab_us-gaap_DueToAffiliateCurrent_DA845155A5DEEDF018BAB03DD55F7352" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loans due to consolidated affiliates </link:label>
<link:label id="lab_us-gaap_DueToAffiliateCurrent_DA845155A5DEEDF018BAB03DD55F7352_label_en-US" xlink:label="lab_us-gaap_DueToAffiliateCurrent_DA845155A5DEEDF018BAB03DD55F7352" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Due to Affiliate, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DueToAffiliateCurrent" xlink:label="loc_us-gaap_DueToAffiliateCurrent_DA845155A5DEEDF018BAB03DD55F7352" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueToAffiliateCurrent_DA845155A5DEEDF018BAB03DD55F7352" xlink:to="lab_us-gaap_DueToAffiliateCurrent_DA845155A5DEEDF018BAB03DD55F7352" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtCurrent_BAE1F6C84312B8AD55D4B03DD55F64B4_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_BAE1F6C84312B8AD55D4B03DD55F64B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Current portion of long-term debt </link:label>
<link:label id="lab_us-gaap_LongTermDebtCurrent_BAE1F6C84312B8AD55D4B03DD55F64B4_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_BAE1F6C84312B8AD55D4B03DD55F64B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Current Maturities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_BAE1F6C84312B8AD55D4B03DD55F64B4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtCurrent_BAE1F6C84312B8AD55D4B03DD55F64B4" xlink:to="lab_us-gaap_LongTermDebtCurrent_BAE1F6C84312B8AD55D4B03DD55F64B4" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesCurrent_F36A9552EEF59227EC05B03DD560ADF1_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_F36A9552EEF59227EC05B03DD560ADF1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total current liabilities </link:label>
<link:label id="lab_us-gaap_LiabilitiesCurrent_F36A9552EEF59227EC05B03DD560ADF1_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent_F36A9552EEF59227EC05B03DD560ADF1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Current </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_F36A9552EEF59227EC05B03DD560ADF1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent_F36A9552EEF59227EC05B03DD560ADF1" xlink:to="lab_us-gaap_LiabilitiesCurrent_F36A9552EEF59227EC05B03DD560ADF1" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesNoncurrentAbstract_FCD628A95D5B8F1093DEB03DD560ABA7_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract_FCD628A95D5B8F1093DEB03DD560ABA7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Non-current liabilities: </link:label>
<link:label id="lab_us-gaap_LiabilitiesNoncurrentAbstract_FCD628A95D5B8F1093DEB03DD560ABA7_label_en-US" xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract_FCD628A95D5B8F1093DEB03DD560ABA7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities, Noncurrent [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesNoncurrentAbstract_FCD628A95D5B8F1093DEB03DD560ABA7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesNoncurrentAbstract_FCD628A95D5B8F1093DEB03DD560ABA7" xlink:to="lab_us-gaap_LiabilitiesNoncurrentAbstract_FCD628A95D5B8F1093DEB03DD560ABA7" xlink:type="arc"/>
<link:label id="lab_us-gaap_LongTermDebtNoncurrent_FB33A02BD42A274EA402B03DD5600E3C_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_FB33A02BD42A274EA402B03DD5600E3C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label>
<link:label id="lab_us-gaap_LongTermDebtNoncurrent_FB33A02BD42A274EA402B03DD5600E3C_label_en-US" xlink:label="lab_us-gaap_LongTermDebtNoncurrent_FB33A02BD42A274EA402B03DD5600E3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Excluding Current Maturities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_FB33A02BD42A274EA402B03DD5600E3C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtNoncurrent_FB33A02BD42A274EA402B03DD5600E3C" xlink:to="lab_us-gaap_LongTermDebtNoncurrent_FB33A02BD42A274EA402B03DD5600E3C" xlink:type="arc"/>
<link:label id="lab_us-gaap_DueToAffiliateNoncurrent_86FD226A6C1719FF7417B03DD560D656_terseLabel_en-US" xlink:label="lab_us-gaap_DueToAffiliateNoncurrent_86FD226A6C1719FF7417B03DD560D656" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Loans due to consolidated affiliates </link:label>
<link:label id="lab_us-gaap_DueToAffiliateNoncurrent_86FD226A6C1719FF7417B03DD560D656_label_en-US" xlink:label="lab_us-gaap_DueToAffiliateNoncurrent_86FD226A6C1719FF7417B03DD560D656" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Due to Affiliate, Noncurrent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DueToAffiliateNoncurrent" xlink:label="loc_us-gaap_DueToAffiliateNoncurrent_86FD226A6C1719FF7417B03DD560D656" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueToAffiliateNoncurrent_86FD226A6C1719FF7417B03DD560D656" xlink:to="lab_us-gaap_DueToAffiliateNoncurrent_86FD226A6C1719FF7417B03DD560D656" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_0782A9B0955B7140E94EB03DD560A4F3_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_0782A9B0955B7140E94EB03DD560A4F3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_0782A9B0955B7140E94EB03DD560A4F3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_0782A9B0955B7140E94EB03DD560A4F3" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_0782A9B0955B7140E94EB03DD560A4F3" xlink:type="arc"/>
<link:label id="lab_us-gaap_Liabilities_E0806335DE98CB27508DB03DD56192BF_totalLabel_en-US" xlink:label="lab_us-gaap_Liabilities_E0806335DE98CB27508DB03DD56192BF" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities </link:label>
<link:label id="lab_us-gaap_Liabilities_E0806335DE98CB27508DB03DD56192BF_label_en-US" xlink:label="lab_us-gaap_Liabilities_E0806335DE98CB27508DB03DD56192BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_E0806335DE98CB27508DB03DD56192BF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Liabilities_E0806335DE98CB27508DB03DD56192BF" xlink:to="lab_us-gaap_Liabilities_E0806335DE98CB27508DB03DD56192BF" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockholdersEquityAbstract_A4B4E104EA17E6A96382B03DD5612301_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_A4B4E104EA17E6A96382B03DD5612301" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shareholders’ equity: </link:label>
<link:label id="lab_us-gaap_StockholdersEquityAbstract_A4B4E104EA17E6A96382B03DD5612301_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_A4B4E104EA17E6A96382B03DD5612301" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stockholders' Equity Attributable to Parent [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_A4B4E104EA17E6A96382B03DD5612301" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract_A4B4E104EA17E6A96382B03DD5612301" xlink:to="lab_us-gaap_StockholdersEquityAbstract_A4B4E104EA17E6A96382B03DD5612301" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockholdersEquity_D4A24FAF99118BE4CAF2B03DD5613FEB_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_D4A24FAF99118BE4CAF2B03DD5613FEB" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total shareholders’ equity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_D4A24FAF99118BE4CAF2B03DD5613FEB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_D4A24FAF99118BE4CAF2B03DD5613FEB" xlink:to="lab_us-gaap_StockholdersEquity_D4A24FAF99118BE4CAF2B03DD5613FEB" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_D88F53DE1ED415F32716B03DD562475B_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_D88F53DE1ED415F32716B03DD562475B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities and shareholders’ equity </link:label>
<link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_D88F53DE1ED415F32716B03DD562475B_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_D88F53DE1ED415F32716B03DD562475B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Liabilities and Equity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_D88F53DE1ED415F32716B03DD562475B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_D88F53DE1ED415F32716B03DD562475B" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity_D88F53DE1ED415F32716B03DD562475B" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_743D7F49B0BBCD3D532BB03DD950F61B_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_743D7F49B0BBCD3D532BB03DD950F61B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative Instruments and Hedging Activities </link:label>
<link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_743D7F49B0BBCD3D532BB03DD950F61B_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_743D7F49B0BBCD3D532BB03DD950F61B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Instruments and Hedging Activities Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_743D7F49B0BBCD3D532BB03DD950F61B" xlink:type="locator"/>
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<link:label id="lab_wdc_IncomeTaxDisclosureTable_932F74393D7B6851E3A7BF33EEC2842B_terseLabel_en-US" xlink:label="lab_wdc_IncomeTaxDisclosureTable_932F74393D7B6851E3A7BF33EEC2842B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Table] </link:label>
<link:label id="lab_wdc_IncomeTaxDisclosureTable_932F74393D7B6851E3A7BF33EEC2842B_label_en-US" xlink:label="lab_wdc_IncomeTaxDisclosureTable_932F74393D7B6851E3A7BF33EEC2842B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Table] </link:label>
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<link:label id="lab_srt_RangeMember_1E5DE6C345BD3736C169BF33EEC50BEB_terseLabel_en-US" xlink:label="lab_srt_RangeMember_1E5DE6C345BD3736C169BF33EEC50BEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Statistical Measurement [Domain] </link:label>
<link:label id="lab_srt_RangeMember_1E5DE6C345BD3736C169BF33EEC50BEB_label_en-US" xlink:label="lab_srt_RangeMember_1E5DE6C345BD3736C169BF33EEC50BEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statistical Measurement [Domain] </link:label>
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<link:label id="lab_srt_MaximumMember_1B1F13EEDAEA6FC69BE1BF33EEC6A4F9_terseLabel_en-US" xlink:label="lab_srt_MaximumMember_1B1F13EEDAEA6FC69BE1BF33EEC6A4F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Maximum </link:label>
<link:label id="lab_srt_MaximumMember_1B1F13EEDAEA6FC69BE1BF33EEC6A4F9_label_en-US" xlink:label="lab_srt_MaximumMember_1B1F13EEDAEA6FC69BE1BF33EEC6A4F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Maximum [Member] </link:label>
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<link:label id="lab_srt_MinimumMember_5D29E1956B0BC321A73ABF33EEC66DD6_terseLabel_en-US" xlink:label="lab_srt_MinimumMember_5D29E1956B0BC321A73ABF33EEC66DD6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Minimum </link:label>
<link:label id="lab_srt_MinimumMember_5D29E1956B0BC321A73ABF33EEC66DD6_label_en-US" xlink:label="lab_srt_MinimumMember_5D29E1956B0BC321A73ABF33EEC66DD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Minimum [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember_5D29E1956B0BC321A73ABF33EEC66DD6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxAuthorityAxis_950C10888B6D6A3E18D2BF33EEC67534_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityAxis_950C10888B6D6A3E18D2BF33EEC67534" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Authority [Axis] </link:label>
<link:label id="lab_us-gaap_IncomeTaxAuthorityAxis_950C10888B6D6A3E18D2BF33EEC67534_label_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityAxis_950C10888B6D6A3E18D2BF33EEC67534" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Authority [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_950C10888B6D6A3E18D2BF33EEC67534" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxAuthorityDomain_12A0AF2407535592C55DBF33EEC6D165_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityDomain_12A0AF2407535592C55DBF33EEC6D165" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Authority [Domain] </link:label>
<link:label id="lab_us-gaap_IncomeTaxAuthorityDomain_12A0AF2407535592C55DBF33EEC6D165_label_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityDomain_12A0AF2407535592C55DBF33EEC6D165" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Authority [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_12A0AF2407535592C55DBF33EEC6D165" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StateAndLocalJurisdictionMember_310C9009F5995685F144BF33EEC76264_terseLabel_en-US" xlink:label="lab_us-gaap_StateAndLocalJurisdictionMember_310C9009F5995685F144BF33EEC76264" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> State and Local Jurisdiction </link:label>
<link:label id="lab_us-gaap_StateAndLocalJurisdictionMember_310C9009F5995685F144BF33EEC76264_label_en-US" xlink:label="lab_us-gaap_StateAndLocalJurisdictionMember_310C9009F5995685F144BF33EEC76264" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> State and Local Jurisdiction [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_310C9009F5995685F144BF33EEC76264" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DomesticCountryMember_8A676F531BA66D93C037BF33EEC78360_terseLabel_en-US" xlink:label="lab_us-gaap_DomesticCountryMember_8A676F531BA66D93C037BF33EEC78360" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Domestic Tax Authority </link:label>
<link:label id="lab_us-gaap_DomesticCountryMember_8A676F531BA66D93C037BF33EEC78360_label_en-US" xlink:label="lab_us-gaap_DomesticCountryMember_8A676F531BA66D93C037BF33EEC78360" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Domestic Tax Authority [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DomesticCountryMember" xlink:label="loc_us-gaap_DomesticCountryMember_8A676F531BA66D93C037BF33EEC78360" xlink:type="locator"/>
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<link:label id="lab_wdc_IncomeTaxDisclosureLineItems_C8AEAEF02BA6A0FA8988BF33EEC7530F_terseLabel_en-US" xlink:label="lab_wdc_IncomeTaxDisclosureLineItems_C8AEAEF02BA6A0FA8988BF33EEC7530F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Line Items] </link:label>
<link:label id="lab_wdc_IncomeTaxDisclosureLineItems_C8AEAEF02BA6A0FA8988BF33EEC7530F_label_en-US" xlink:label="lab_wdc_IncomeTaxDisclosureLineItems_C8AEAEF02BA6A0FA8988BF33EEC7530F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Line Items] </link:label>
<link:label id="lab_wdc_IncomeTaxDisclosureLineItems_C8AEAEF02BA6A0FA8988BF33EEC7530F_documentation_en-US" xlink:label="lab_wdc_IncomeTaxDisclosureLineItems_C8AEAEF02BA6A0FA8988BF33EEC7530F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Line Items] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_IncomeTaxDisclosureLineItems" xlink:label="loc_wdc_IncomeTaxDisclosureLineItems_C8AEAEF02BA6A0FA8988BF33EEC7530F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OperatingLossCarryforwardsValuationAllowance_AF96E6C2CC8EFCC2C058BF33EEC7A5A8_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLossCarryforwardsValuationAllowance_AF96E6C2CC8EFCC2C058BF33EEC7A5A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating loss carryforward, valuation allowance </link:label>
<link:label id="lab_us-gaap_OperatingLossCarryforwardsValuationAllowance_AF96E6C2CC8EFCC2C058BF33EEC7A5A8_label_en-US" xlink:label="lab_us-gaap_OperatingLossCarryforwardsValuationAllowance_AF96E6C2CC8EFCC2C058BF33EEC7A5A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Operating Loss Carryforwards, Valuation Allowance </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:label="loc_us-gaap_OperatingLossCarryforwardsValuationAllowance_AF96E6C2CC8EFCC2C058BF33EEC7A5A8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxHolidayAggregateDollarAmount_95B713B7DD75CE9BE915BF33EEC83490_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxHolidayAggregateDollarAmount_95B713B7DD75CE9BE915BF33EEC83490" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax holiday, aggregate amount </link:label>
<link:label id="lab_us-gaap_IncomeTaxHolidayAggregateDollarAmount_95B713B7DD75CE9BE915BF33EEC83490_label_en-US" xlink:label="lab_us-gaap_IncomeTaxHolidayAggregateDollarAmount_95B713B7DD75CE9BE915BF33EEC83490" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Holiday, Aggregate Dollar Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxHolidayAggregateDollarAmount" xlink:label="loc_us-gaap_IncomeTaxHolidayAggregateDollarAmount_95B713B7DD75CE9BE915BF33EEC83490" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare_4E2D8DA6F9DB94CD7A2EBF33EEC87623_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare_4E2D8DA6F9DB94CD7A2EBF33EEC87623" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income tax benefits (in dollars in share) </link:label>
<link:label id="lab_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare_4E2D8DA6F9DB94CD7A2EBF33EEC87623_label_en-US" xlink:label="lab_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare_4E2D8DA6F9DB94CD7A2EBF33EEC87623" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Holiday, Income Tax Benefits Per Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare" xlink:label="loc_us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare_4E2D8DA6F9DB94CD7A2EBF33EEC87623" xlink:type="locator"/>
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<link:label id="lab_wdc_OperatingLossAndTaxCreditCarryforwardsAmount_35774965E6AD60E6DA19BF33EEC85794_terseLabel_en-US" xlink:label="lab_wdc_OperatingLossAndTaxCreditCarryforwardsAmount_35774965E6AD60E6DA19BF33EEC85794" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating loss and tax credit carryforwards </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TaxCreditCarryforwardValuationAllowance" xlink:label="loc_us-gaap_TaxCreditCarryforwardValuationAllowance_07905E1C3C069C92017DBF33EECDD4C5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_3737377B3E0FFB823EF5B03DD9AB8C00_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_3737377B3E0FFB823EF5B03DD9AB8C00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Receivable Type [Axis] </link:label>
<link:label id="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_3737377B3E0FFB823EF5B03DD9AB8C00_label_en-US" xlink:label="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_3737377B3E0FFB823EF5B03DD9AB8C00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Receivable Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_3737377B3E0FFB823EF5B03DD9AB8C00" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ReceivableTypeDomain_5060FE7C42E5C20339A6B03DD9ABB624_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivableTypeDomain_5060FE7C42E5C20339A6B03DD9ABB624" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Receivable [Domain] </link:label>
<link:label id="lab_us-gaap_ReceivableTypeDomain_5060FE7C42E5C20339A6B03DD9ABB624_label_en-US" xlink:label="lab_us-gaap_ReceivableTypeDomain_5060FE7C42E5C20339A6B03DD9ABB624" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Receivable [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain_5060FE7C42E5C20339A6B03DD9ABB624" xlink:type="locator"/>
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<link:label id="lab_wdc_FactoredReceivablesMember_1EF2B5E2F779B8F27C64B03DD9AB7B27_terseLabel_en-US" xlink:label="lab_wdc_FactoredReceivablesMember_1EF2B5E2F779B8F27C64B03DD9AB7B27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Factored Receivables </link:label>
<link:label id="lab_wdc_FactoredReceivablesMember_1EF2B5E2F779B8F27C64B03DD9AB7B27_label_en-US" xlink:label="lab_wdc_FactoredReceivablesMember_1EF2B5E2F779B8F27C64B03DD9AB7B27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Factored Receivables [Member] </link:label>
<link:label id="lab_wdc_FactoredReceivablesMember_1EF2B5E2F779B8F27C64B03DD9AB7B27_documentation_en-US" xlink:label="lab_wdc_FactoredReceivablesMember_1EF2B5E2F779B8F27C64B03DD9AB7B27" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Factored Receivables [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_FactoredReceivablesMember" xlink:label="loc_wdc_FactoredReceivablesMember_1EF2B5E2F779B8F27C64B03DD9AB7B27" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_FactoredReceivablesMember_1EF2B5E2F779B8F27C64B03DD9AB7B27" xlink:to="lab_wdc_FactoredReceivablesMember_1EF2B5E2F779B8F27C64B03DD9AB7B27" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromSaleAndCollectionOfReceivables_635DF5DADF7575F9875FB03DD9ACFBC1_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndCollectionOfReceivables_635DF5DADF7575F9875FB03DD9ACFBC1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds on sale of trade accounts receivable </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleAndCollectionOfReceivables_635DF5DADF7575F9875FB03DD9ACFBC1_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndCollectionOfReceivables_635DF5DADF7575F9875FB03DD9ACFBC1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale and Collection of Receivables </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleAndCollectionOfReceivables" xlink:label="loc_us-gaap_ProceedsFromSaleAndCollectionOfReceivables_635DF5DADF7575F9875FB03DD9ACFBC1" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NotesReceivableNet_95DE4A599F1171B0EFDAB03DD9ACD56B_terseLabel_en-US" xlink:label="lab_us-gaap_NotesReceivableNet_95DE4A599F1171B0EFDAB03DD9ACD56B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Outstanding factored receivables </link:label>
<link:label id="lab_us-gaap_NotesReceivableNet_95DE4A599F1171B0EFDAB03DD9ACD56B_label_en-US" xlink:label="lab_us-gaap_NotesReceivableNet_95DE4A599F1171B0EFDAB03DD9ACD56B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financing Receivable, after Allowance for Credit Loss </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesReceivableNet" xlink:label="loc_us-gaap_NotesReceivableNet_95DE4A599F1171B0EFDAB03DD9ACD56B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Depreciation_D46BFC6C2F2203C4AA14B03DD9AC717C_terseLabel_en-US" xlink:label="lab_us-gaap_Depreciation_D46BFC6C2F2203C4AA14B03DD9AC717C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Depreciation expense </link:label>
<link:label id="lab_us-gaap_Depreciation_D46BFC6C2F2203C4AA14B03DD9AC717C_label_en-US" xlink:label="lab_us-gaap_Depreciation_D46BFC6C2F2203C4AA14B03DD9AC717C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Depreciation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_D46BFC6C2F2203C4AA14B03DD9AC717C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_00BF898BCA592B863A25BF32C0BE6AD8_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_00BF898BCA592B863A25BF32C0BE6AD8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Segment, Revenue Information, Geographic Information and Concentration of Risk </link:label>
<link:label id="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_00BF898BCA592B863A25BF32C0BE6AD8_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskDisclosureTextBlock_00BF898BCA592B863A25BF32C0BE6AD8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Disclosure [Text Block] </link:label>
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<link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_8D08D4B521DDB5DA221BBEFCF4A5ABB2_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_8D08D4B521DDB5DA221BBEFCF4A5ABB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement of Financial Position [Abstract] </link:label>
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<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_670B1838D4E6E90B8D9ABEFCF4AB1927_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_670B1838D4E6E90B8D9ABEFCF4AB1927" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents </link:label>
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<link:label id="lab_us-gaap_AccountsPayableRelatedPartiesCurrent_DF6E104133505260FC94BEFCF4AE911B_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableRelatedPartiesCurrent_DF6E104133505260FC94BEFCF4AE911B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts payable to related parties </link:label>
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<link:label id="lab_us-gaap_PreferredStockValue_DF8E67675E896EA1E0E1BEFCF4B0EEC7_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue_DF8E67675E896EA1E0E1BEFCF4B0EEC7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, $0.01 par value; authorized — 5 shares; issued and outstanding — none </link:label>
<link:label id="lab_us-gaap_PreferredStockValue_DF8E67675E896EA1E0E1BEFCF4B0EEC7_label_en-US" xlink:label="lab_us-gaap_PreferredStockValue_DF8E67675E896EA1E0E1BEFCF4B0EEC7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Value, Issued </link:label>
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<link:label id="lab_wdc_CommonStockValues_FFAB0ECE583A4C1A73E4BEFCF4B073EE_terseLabel_en-US" xlink:label="lab_wdc_CommonStockValues_FFAB0ECE583A4C1A73E4BEFCF4B073EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, $0.01 par value; authorized — 450 shares; issued — 312 shares in 2019 and 2018; outstanding — 295 shares in 2019 and 296 shares in 2018 </link:label>
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<link:label id="lab_us-gaap_AdditionalPaidInCapital_2BCFAA8F837E444AEB1DBEFCF4B0764C_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapital_2BCFAA8F837E444AEB1DBEFCF4B0764C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional paid-in capital </link:label>
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<link:label id="lab_us-gaap_CarryingReportedAmountFairValueDisclosureMember_485838A76DC6C4B94F2CB03DD95FA7CA_terseLabel_en-US" xlink:label="lab_us-gaap_CarryingReportedAmountFairValueDisclosureMember_485838A76DC6C4B94F2CB03DD95FA7CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Carrying Value </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentAxis_788C9A63C52000C68BAFB03DD960FB29_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_788C9A63C52000C68BAFB03DD960FB29" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument [Axis] </link:label>
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<link:label id="lab_wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember_210621A4E6CFAAC0572AB03DD960D419_terseLabel_en-US" xlink:label="lab_wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember_210621A4E6CFAAC0572AB03DD960D419" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 0.50% convertible senior notes due 2020 </link:label>
<link:label id="lab_wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember_210621A4E6CFAAC0572AB03DD960D419_label_en-US" xlink:label="lab_wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember_210621A4E6CFAAC0572AB03DD960D419" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Convertible Senior Notes Due Two Thousand Twenty Member [Member] </link:label>
<link:label id="lab_wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember_210621A4E6CFAAC0572AB03DD960D419_documentation_en-US" xlink:label="lab_wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember_210621A4E6CFAAC0572AB03DD960D419" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> 0.5% Sr. Convertible Notes due 2020 [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember" xlink:label="loc_wdc_ConvertibleSeniorNotesDueTwoThousandTwentyMemberMember_210621A4E6CFAAC0572AB03DD960D419" xlink:type="locator"/>
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<link:label id="lab_wdc_TermLoanA1Member_AC27D8081CCAA0FBA9FCB03DD96000A7_terseLabel_en-US" xlink:label="lab_wdc_TermLoanA1Member_AC27D8081CCAA0FBA9FCB03DD96000A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable interest rate Term Loan A-1 maturing 2023 </link:label>
<link:label id="lab_wdc_TermLoanA1Member_AC27D8081CCAA0FBA9FCB03DD96000A7_label_en-US" xlink:label="lab_wdc_TermLoanA1Member_AC27D8081CCAA0FBA9FCB03DD96000A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Term Loan A-1 [Member] </link:label>
<link:label id="lab_wdc_TermLoanA1Member_AC27D8081CCAA0FBA9FCB03DD96000A7_documentation_en-US" xlink:label="lab_wdc_TermLoanA1Member_AC27D8081CCAA0FBA9FCB03DD96000A7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Term Loan A-1 [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_TermLoanA1Member" xlink:label="loc_wdc_TermLoanA1Member_AC27D8081CCAA0FBA9FCB03DD96000A7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_TermLoanA1Member_AC27D8081CCAA0FBA9FCB03DD96000A7" xlink:to="lab_wdc_TermLoanA1Member_AC27D8081CCAA0FBA9FCB03DD96000A7" xlink:type="arc"/>
<link:label id="lab_wdc_U.S.TermLoanB4Member_8281719B1CD55D238A58B03DD961672A_terseLabel_en-US" xlink:label="lab_wdc_U.S.TermLoanB4Member_8281719B1CD55D238A58B03DD961672A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable interest rate U.S. Term Loan B-4 maturing 2023 </link:label>
<link:label id="lab_wdc_U.S.TermLoanB4Member_8281719B1CD55D238A58B03DD961672A_label_en-US" xlink:label="lab_wdc_U.S.TermLoanB4Member_8281719B1CD55D238A58B03DD961672A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> U.S. Term Loan B-4 [Member] </link:label>
<link:label id="lab_wdc_U.S.TermLoanB4Member_8281719B1CD55D238A58B03DD961672A_documentation_en-US" xlink:label="lab_wdc_U.S.TermLoanB4Member_8281719B1CD55D238A58B03DD961672A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> U.S. Term Loan B-4 [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_U.S.TermLoanB4Member" xlink:label="loc_wdc_U.S.TermLoanB4Member_8281719B1CD55D238A58B03DD961672A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_U.S.TermLoanB4Member_8281719B1CD55D238A58B03DD961672A" xlink:to="lab_wdc_U.S.TermLoanB4Member_8281719B1CD55D238A58B03DD961672A" xlink:type="arc"/>
<link:label id="lab_wdc_OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember_65A5E84759406E260D1EB03DD961C8B4_terseLabel_en-US" xlink:label="lab_wdc_OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember_65A5E84759406E260D1EB03DD961C8B4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 1.50% convertible notes due 2024 </link:label>
<link:label id="lab_wdc_OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember_65A5E84759406E260D1EB03DD961C8B4_label_en-US" xlink:label="lab_wdc_OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember_65A5E84759406E260D1EB03DD961C8B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> One Point Fifty Percent Senior Convertible Notes Due Two Thousand Twenty Four [Member] </link:label>
<link:label id="lab_wdc_OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember_65A5E84759406E260D1EB03DD961C8B4_documentation_en-US" xlink:label="lab_wdc_OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember_65A5E84759406E260D1EB03DD961C8B4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> One Point Fifty Percent Senior Convertible Notes Due Two Thousand Twenty Four [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember" xlink:label="loc_wdc_OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember_65A5E84759406E260D1EB03DD961C8B4" xlink:type="locator"/>
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<link:label id="lab_wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember_6498AEE4E433EE02CEB1B03DD96197A9_terseLabel_en-US" xlink:label="lab_wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember_6498AEE4E433EE02CEB1B03DD96197A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 4.750% senior unsecured notes due 2026 </link:label>
<link:label id="lab_wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember_6498AEE4E433EE02CEB1B03DD96197A9_label_en-US" xlink:label="lab_wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember_6498AEE4E433EE02CEB1B03DD96197A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Four Point Seventy Five Percent Senior Unsecured Notes Due Two Thousand Twenty Six [Member] </link:label>
<link:label id="lab_wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember_6498AEE4E433EE02CEB1B03DD96197A9_documentation_en-US" xlink:label="lab_wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember_6498AEE4E433EE02CEB1B03DD96197A9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Four Point Seventy Five Percent Senior Unsecured Notes Due Two Thousand Twenty Six [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember" xlink:label="loc_wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember_6498AEE4E433EE02CEB1B03DD96197A9" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DebtInstrumentLineItems_CCF983F06FEA1F983D17B03DD961C606_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_CCF983F06FEA1F983D17B03DD961C606" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument [Line Items] </link:label>
<link:label id="lab_us-gaap_DebtInstrumentLineItems_CCF983F06FEA1F983D17B03DD961C606_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_CCF983F06FEA1F983D17B03DD961C606" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_CCF983F06FEA1F983D17B03DD961C606" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems_CCF983F06FEA1F983D17B03DD961C606" xlink:to="lab_us-gaap_DebtInstrumentLineItems_CCF983F06FEA1F983D17B03DD961C606" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_4E49023B39C7D0C0E622B03DD961FB5D_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_4E49023B39C7D0C0E622B03DD961FB5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument, interest rate (percentage) </link:label>
<link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_4E49023B39C7D0C0E622B03DD961FB5D_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_4E49023B39C7D0C0E622B03DD961FB5D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Interest Rate, Stated Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_4E49023B39C7D0C0E622B03DD961FB5D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongTermDebtFairValue_8731E5D0DF8D98A14C0EB03DD9626900_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtFairValue_8731E5D0DF8D98A14C0EB03DD9626900" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term debt </link:label>
<link:label id="lab_us-gaap_LongTermDebtFairValue_8731E5D0DF8D98A14C0EB03DD9626900_label_en-US" xlink:label="lab_us-gaap_LongTermDebtFairValue_8731E5D0DF8D98A14C0EB03DD9626900" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Fair Value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue_8731E5D0DF8D98A14C0EB03DD9626900" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtFairValue_8731E5D0DF8D98A14C0EB03DD9626900" xlink:to="lab_us-gaap_LongTermDebtFairValue_8731E5D0DF8D98A14C0EB03DD9626900" xlink:type="arc"/>
<link:label id="lab_us-gaap_SubsequentEventTypeAxis_04A5170DF0A9B35B39E5B03DD763E9B3_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_04A5170DF0A9B35B39E5B03DD763E9B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Axis] </link:label>
<link:label id="lab_us-gaap_SubsequentEventTypeAxis_04A5170DF0A9B35B39E5B03DD763E9B3_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_04A5170DF0A9B35B39E5B03DD763E9B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_04A5170DF0A9B35B39E5B03DD763E9B3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_04A5170DF0A9B35B39E5B03DD763E9B3" xlink:to="lab_us-gaap_SubsequentEventTypeAxis_04A5170DF0A9B35B39E5B03DD763E9B3" xlink:type="arc"/>
<link:label id="lab_us-gaap_SubsequentEventTypeDomain_EAAFE6D4142D9ED680C9B03DD764A72C_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_EAAFE6D4142D9ED680C9B03DD764A72C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Domain] </link:label>
<link:label id="lab_us-gaap_SubsequentEventTypeDomain_EAAFE6D4142D9ED680C9B03DD764A72C_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_EAAFE6D4142D9ED680C9B03DD764A72C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_EAAFE6D4142D9ED680C9B03DD764A72C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_EAAFE6D4142D9ED680C9B03DD764A72C" xlink:to="lab_us-gaap_SubsequentEventTypeDomain_EAAFE6D4142D9ED680C9B03DD764A72C" xlink:type="arc"/>
<link:label id="lab_us-gaap_SubsequentEventMember_F9F877C4CD711449BC59B03DD7647E6D_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventMember_F9F877C4CD711449BC59B03DD7647E6D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Subsequent Event </link:label>
<link:label id="lab_us-gaap_SubsequentEventMember_F9F877C4CD711449BC59B03DD7647E6D_label_en-US" xlink:label="lab_us-gaap_SubsequentEventMember_F9F877C4CD711449BC59B03DD7647E6D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Subsequent Event [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_F9F877C4CD711449BC59B03DD7647E6D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmployeeStockMember_FCB02AFDB4F493DB1950B03DD767C2AE_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockMember_FCB02AFDB4F493DB1950B03DD767C2AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Stock </link:label>
<link:label id="lab_us-gaap_EmployeeStockMember_FCB02AFDB4F493DB1950B03DD767C2AE_label_en-US" xlink:label="lab_us-gaap_EmployeeStockMember_FCB02AFDB4F493DB1950B03DD767C2AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Stock [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeStockMember" xlink:label="loc_us-gaap_EmployeeStockMember_FCB02AFDB4F493DB1950B03DD767C2AE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeStockMember_FCB02AFDB4F493DB1950B03DD767C2AE" xlink:to="lab_us-gaap_EmployeeStockMember_FCB02AFDB4F493DB1950B03DD767C2AE" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_CD750EE25B281E1076FBB03DD768E3B8_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_CD750EE25B281E1076FBB03DD768E3B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expiration period </link:label>
<link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_CD750EE25B281E1076FBB03DD768E3B8_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_CD750EE25B281E1076FBB03DD768E3B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_CD750EE25B281E1076FBB03DD768E3B8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_A53AE15591DA75EE4073B03DD7689E9B_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_A53AE15591DA75EE4073B03DD7689E9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Vesting period </link:label>
<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_A53AE15591DA75EE4073B03DD7689E9B_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_A53AE15591DA75EE4073B03DD7689E9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period </link:label>
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<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_33EB647828F4A7A5F6B0B03DD76983C0_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_33EB647828F4A7A5F6B0B03DD76983C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee stock plans (in shares) </link:label>
<link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_33EB647828F4A7A5F6B0B03DD76983C0_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_33EB647828F4A7A5F6B0B03DD76983C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Shares, Employee Stock Purchase Plans </link:label>
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<link:label id="lab_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_7F3A06D693CA2408532DB03DD76916DE_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_7F3A06D693CA2408532DB03DD76916DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Issued During Period, Value, Employee Stock Purchase Plan </link:label>
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<link:label id="lab_dei_DocumentType_6D46305F3A7C59069BB4B03DDA2C77BD_label_en-US" xlink:label="lab_dei_DocumentType_6D46305F3A7C59069BB4B03DDA2C77BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Document Type </link:label>
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<link:label id="lab_dei_DocumentAnnualReport_883B4D1274797F1C9A74B03DDA2CCCBC_terseLabel_en-US" xlink:label="lab_dei_DocumentAnnualReport_883B4D1274797F1C9A74B03DDA2CCCBC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Document Annual Report </link:label>
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<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_BAB0705464217B88D06AB03DDA2C2C06" xlink:type="locator"/>
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<link:label id="lab_dei_EntityFileNumber_D7DC89D29B48CCF71238B03DDA2D153C_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber_D7DC89D29B48CCF71238B03DDA2D153C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity File Number </link:label>
<link:label id="lab_dei_EntityFileNumber_D7DC89D29B48CCF71238B03DDA2D153C_label_en-US" xlink:label="lab_dei_EntityFileNumber_D7DC89D29B48CCF71238B03DDA2D153C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity File Number </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:label="loc_dei_EntityFileNumber_D7DC89D29B48CCF71238B03DDA2D153C" xlink:type="locator"/>
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<link:label id="lab_dei_EntityRegistrantName_B105C7870B441900C08DB03DDA2DC742_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName_B105C7870B441900C08DB03DDA2DC742" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Registrant Name </link:label>
<link:label id="lab_dei_EntityRegistrantName_B105C7870B441900C08DB03DDA2DC742_label_en-US" xlink:label="lab_dei_EntityRegistrantName_B105C7870B441900C08DB03DDA2DC742" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Registrant Name </link:label>
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<link:label id="lab_dei_EntityIncorporationStateCountryCode_E9E067922A3336D5350FB03DDA2D5F28_terseLabel_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode_E9E067922A3336D5350FB03DDA2D5F28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Incorporation, State or Country Code </link:label>
<link:label id="lab_dei_EntityIncorporationStateCountryCode_E9E067922A3336D5350FB03DDA2D5F28_label_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode_E9E067922A3336D5350FB03DDA2D5F28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Incorporation, State or Country Code </link:label>
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<link:label id="lab_dei_EntityTaxIdentificationNumber_666ABC978A365511E325B03DDA2D9FBD_terseLabel_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber_666ABC978A365511E325B03DDA2D9FBD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Tax Identification Number </link:label>
<link:label id="lab_dei_EntityTaxIdentificationNumber_666ABC978A365511E325B03DDA2D9FBD_label_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber_666ABC978A365511E325B03DDA2D9FBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Tax Identification Number </link:label>
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<link:label id="lab_dei_EntityAddressAddressLine1_40982F87F2D15E571EA1B03DDA2DE576_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1_40982F87F2D15E571EA1B03DDA2DE576" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Address, Address Line One </link:label>
<link:label id="lab_dei_EntityAddressAddressLine1_40982F87F2D15E571EA1B03DDA2DE576_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1_40982F87F2D15E571EA1B03DDA2DE576" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, Address Line One </link:label>
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<link:label id="lab_dei_EntityAddressCityOrTown_D2EBB8900F1D1487DF5DB03DDA2D685C_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown_D2EBB8900F1D1487DF5DB03DDA2D685C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Address, City or Town </link:label>
<link:label id="lab_dei_EntityAddressCityOrTown_D2EBB8900F1D1487DF5DB03DDA2D685C_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown_D2EBB8900F1D1487DF5DB03DDA2D685C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, City or Town </link:label>
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<link:label id="lab_dei_EntityAddressStateOrProvince_0B84EF7DDC57251C880EB03DDA2E5E03_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince_0B84EF7DDC57251C880EB03DDA2E5E03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Address, State or Province </link:label>
<link:label id="lab_dei_EntityAddressStateOrProvince_0B84EF7DDC57251C880EB03DDA2E5E03_label_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince_0B84EF7DDC57251C880EB03DDA2E5E03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, State or Province </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince" xlink:label="loc_dei_EntityAddressStateOrProvince_0B84EF7DDC57251C880EB03DDA2E5E03" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressStateOrProvince_0B84EF7DDC57251C880EB03DDA2E5E03" xlink:to="lab_dei_EntityAddressStateOrProvince_0B84EF7DDC57251C880EB03DDA2E5E03" xlink:type="arc"/>
<link:label id="lab_dei_EntityAddressPostalZipCode_013503BF9F801B30AD23B03DDA2EFEEB_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode_013503BF9F801B30AD23B03DDA2EFEEB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Address, Postal Zip Code </link:label>
<link:label id="lab_dei_EntityAddressPostalZipCode_013503BF9F801B30AD23B03DDA2EFEEB_label_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode_013503BF9F801B30AD23B03DDA2EFEEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Address, Postal Zip Code </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:label="loc_dei_EntityAddressPostalZipCode_013503BF9F801B30AD23B03DDA2EFEEB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode_013503BF9F801B30AD23B03DDA2EFEEB" xlink:to="lab_dei_EntityAddressPostalZipCode_013503BF9F801B30AD23B03DDA2EFEEB" xlink:type="arc"/>
<link:label id="lab_dei_CityAreaCode_50F6A7F8CE6226F3D74DB03DDA2E1F4C_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode_50F6A7F8CE6226F3D74DB03DDA2E1F4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> City Area Code </link:label>
<link:label id="lab_dei_CityAreaCode_50F6A7F8CE6226F3D74DB03DDA2E1F4C_label_en-US" xlink:label="lab_dei_CityAreaCode_50F6A7F8CE6226F3D74DB03DDA2E1F4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> City Area Code </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:label="loc_dei_CityAreaCode_50F6A7F8CE6226F3D74DB03DDA2E1F4C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode_50F6A7F8CE6226F3D74DB03DDA2E1F4C" xlink:to="lab_dei_CityAreaCode_50F6A7F8CE6226F3D74DB03DDA2E1F4C" xlink:type="arc"/>
<link:label id="lab_dei_LocalPhoneNumber_91F649069EA55DA6F2D0B03DDA2EAFA3_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber_91F649069EA55DA6F2D0B03DDA2EAFA3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Local Phone Number </link:label>
<link:label id="lab_dei_LocalPhoneNumber_91F649069EA55DA6F2D0B03DDA2EAFA3_label_en-US" xlink:label="lab_dei_LocalPhoneNumber_91F649069EA55DA6F2D0B03DDA2EAFA3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Local Phone Number </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:label="loc_dei_LocalPhoneNumber_91F649069EA55DA6F2D0B03DDA2EAFA3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LocalPhoneNumber_91F649069EA55DA6F2D0B03DDA2EAFA3" xlink:to="lab_dei_LocalPhoneNumber_91F649069EA55DA6F2D0B03DDA2EAFA3" xlink:type="arc"/>
<link:label id="lab_dei_Security12bTitle_BF8AE2096EC47B15421DB03DDA2E0625_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle_BF8AE2096EC47B15421DB03DDA2E0625" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Title of 12(b) Security </link:label>
<link:label id="lab_dei_Security12bTitle_BF8AE2096EC47B15421DB03DDA2E0625_label_en-US" xlink:label="lab_dei_Security12bTitle_BF8AE2096EC47B15421DB03DDA2E0625" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Title of 12(b) Security </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:label="loc_dei_Security12bTitle_BF8AE2096EC47B15421DB03DDA2E0625" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle_BF8AE2096EC47B15421DB03DDA2E0625" xlink:to="lab_dei_Security12bTitle_BF8AE2096EC47B15421DB03DDA2E0625" xlink:type="arc"/>
<link:label id="lab_dei_TradingSymbol_83C52D606494A59A5C34B03DDA2E6946_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol_83C52D606494A59A5C34B03DDA2E6946" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Trading Symbol </link:label>
<link:label id="lab_dei_TradingSymbol_83C52D606494A59A5C34B03DDA2E6946_label_en-US" xlink:label="lab_dei_TradingSymbol_83C52D606494A59A5C34B03DDA2E6946" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Trading Symbol </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_83C52D606494A59A5C34B03DDA2E6946" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol_83C52D606494A59A5C34B03DDA2E6946" xlink:to="lab_dei_TradingSymbol_83C52D606494A59A5C34B03DDA2E6946" xlink:type="arc"/>
<link:label id="lab_dei_SecurityExchangeName_77CE5786C2153544A79BB03DDA2F8F54_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName_77CE5786C2153544A79BB03DDA2F8F54" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Security Exchange Name </link:label>
<link:label id="lab_dei_SecurityExchangeName_77CE5786C2153544A79BB03DDA2F8F54_label_en-US" xlink:label="lab_dei_SecurityExchangeName_77CE5786C2153544A79BB03DDA2F8F54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Security Exchange Name </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:label="loc_dei_SecurityExchangeName_77CE5786C2153544A79BB03DDA2F8F54" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName_77CE5786C2153544A79BB03DDA2F8F54" xlink:to="lab_dei_SecurityExchangeName_77CE5786C2153544A79BB03DDA2F8F54" xlink:type="arc"/>
<link:label id="lab_dei_EntityWellKnownSeasonedIssuer_D36A1E7F96BE63EE710AB03DDA2F241B_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_D36A1E7F96BE63EE710AB03DDA2F241B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Well-known Seasoned Issuer </link:label>
<link:label id="lab_dei_EntityWellKnownSeasonedIssuer_D36A1E7F96BE63EE710AB03DDA2F241B_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_D36A1E7F96BE63EE710AB03DDA2F241B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Well-known Seasoned Issuer </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_D36A1E7F96BE63EE710AB03DDA2F241B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer_D36A1E7F96BE63EE710AB03DDA2F241B" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer_D36A1E7F96BE63EE710AB03DDA2F241B" xlink:type="arc"/>
<link:label id="lab_dei_EntityVoluntaryFilers_1030E82BC3C274B0F97DB03DDA2FA1EA_terseLabel_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_1030E82BC3C274B0F97DB03DDA2FA1EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Voluntary Filers </link:label>
<link:label id="lab_dei_EntityVoluntaryFilers_1030E82BC3C274B0F97DB03DDA2FA1EA_label_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_1030E82BC3C274B0F97DB03DDA2FA1EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Voluntary Filers </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_1030E82BC3C274B0F97DB03DDA2FA1EA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers_1030E82BC3C274B0F97DB03DDA2FA1EA" xlink:to="lab_dei_EntityVoluntaryFilers_1030E82BC3C274B0F97DB03DDA2FA1EA" xlink:type="arc"/>
<link:label id="lab_dei_EntityCurrentReportingStatus_5F06D60903833FF96C22B03DDA2F3A01_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_5F06D60903833FF96C22B03DDA2F3A01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Current Reporting Status </link:label>
<link:label id="lab_dei_EntityCurrentReportingStatus_5F06D60903833FF96C22B03DDA2F3A01_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_5F06D60903833FF96C22B03DDA2F3A01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Current Reporting Status </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_5F06D60903833FF96C22B03DDA2F3A01" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus_5F06D60903833FF96C22B03DDA2F3A01" xlink:to="lab_dei_EntityCurrentReportingStatus_5F06D60903833FF96C22B03DDA2F3A01" xlink:type="arc"/>
<link:label id="lab_dei_EntityInteractiveDataCurrent_EEF57C9998AC3D7F3C9EB03DDA2F6A83_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent_EEF57C9998AC3D7F3C9EB03DDA2F6A83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Interactive Data Current </link:label>
<link:label id="lab_dei_EntityInteractiveDataCurrent_EEF57C9998AC3D7F3C9EB03DDA2F6A83_label_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent_EEF57C9998AC3D7F3C9EB03DDA2F6A83" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Interactive Data Current </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInteractiveDataCurrent" xlink:label="loc_dei_EntityInteractiveDataCurrent_EEF57C9998AC3D7F3C9EB03DDA2F6A83" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent_EEF57C9998AC3D7F3C9EB03DDA2F6A83" xlink:to="lab_dei_EntityInteractiveDataCurrent_EEF57C9998AC3D7F3C9EB03DDA2F6A83" xlink:type="arc"/>
<link:label id="lab_dei_EntityFilerCategory_75C56D26DFA19BFB5156B03DDA2FB10E_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory_75C56D26DFA19BFB5156B03DDA2FB10E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Filer Category </link:label>
<link:label id="lab_dei_EntityFilerCategory_75C56D26DFA19BFB5156B03DDA2FB10E_label_en-US" xlink:label="lab_dei_EntityFilerCategory_75C56D26DFA19BFB5156B03DDA2FB10E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Filer Category </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_75C56D26DFA19BFB5156B03DDA2FB10E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory_75C56D26DFA19BFB5156B03DDA2FB10E" xlink:to="lab_dei_EntityFilerCategory_75C56D26DFA19BFB5156B03DDA2FB10E" xlink:type="arc"/>
<link:label id="lab_dei_EntitySmallBusiness_4709260647722D259194B03DDA2FBAC5_terseLabel_en-US" xlink:label="lab_dei_EntitySmallBusiness_4709260647722D259194B03DDA2FBAC5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Small Business </link:label>
<link:label id="lab_dei_EntitySmallBusiness_4709260647722D259194B03DDA2FBAC5_label_en-US" xlink:label="lab_dei_EntitySmallBusiness_4709260647722D259194B03DDA2FBAC5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Small Business </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitySmallBusiness" xlink:label="loc_dei_EntitySmallBusiness_4709260647722D259194B03DDA2FBAC5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntitySmallBusiness_4709260647722D259194B03DDA2FBAC5" xlink:to="lab_dei_EntitySmallBusiness_4709260647722D259194B03DDA2FBAC5" xlink:type="arc"/>
<link:label id="lab_dei_EntityEmergingGrowthCompany_73DC533F274CAD3CBC39B03DDA3064A8_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany_73DC533F274CAD3CBC39B03DDA3064A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Emerging Growth Company </link:label>
<link:label id="lab_dei_EntityEmergingGrowthCompany_73DC533F274CAD3CBC39B03DDA3064A8_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany_73DC533F274CAD3CBC39B03DDA3064A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Emerging Growth Company </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="loc_dei_EntityEmergingGrowthCompany_73DC533F274CAD3CBC39B03DDA3064A8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany_73DC533F274CAD3CBC39B03DDA3064A8" xlink:to="lab_dei_EntityEmergingGrowthCompany_73DC533F274CAD3CBC39B03DDA3064A8" xlink:type="arc"/>
<link:label id="lab_dei_EntityShellCompany_7D9EAA7AE4844ED55106B03DDA30D5E4_terseLabel_en-US" xlink:label="lab_dei_EntityShellCompany_7D9EAA7AE4844ED55106B03DDA30D5E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Shell Company </link:label>
<link:label id="lab_dei_EntityShellCompany_7D9EAA7AE4844ED55106B03DDA30D5E4_label_en-US" xlink:label="lab_dei_EntityShellCompany_7D9EAA7AE4844ED55106B03DDA30D5E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Shell Company </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany" xlink:label="loc_dei_EntityShellCompany_7D9EAA7AE4844ED55106B03DDA30D5E4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityShellCompany_7D9EAA7AE4844ED55106B03DDA30D5E4" xlink:to="lab_dei_EntityShellCompany_7D9EAA7AE4844ED55106B03DDA30D5E4" xlink:type="arc"/>
<link:label id="lab_dei_EntityPublicFloat_8A3BD40C21D2A66ECF6FB03DDA30929D_terseLabel_en-US" xlink:label="lab_dei_EntityPublicFloat_8A3BD40C21D2A66ECF6FB03DDA30929D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Public Float </link:label>
<link:label id="lab_dei_EntityPublicFloat_8A3BD40C21D2A66ECF6FB03DDA30929D_label_en-US" xlink:label="lab_dei_EntityPublicFloat_8A3BD40C21D2A66ECF6FB03DDA30929D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Public Float </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityPublicFloat" xlink:label="loc_dei_EntityPublicFloat_8A3BD40C21D2A66ECF6FB03DDA30929D" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityPublicFloat_8A3BD40C21D2A66ECF6FB03DDA30929D" xlink:to="lab_dei_EntityPublicFloat_8A3BD40C21D2A66ECF6FB03DDA30929D" xlink:type="arc"/>
<link:label id="lab_dei_EntityCommonStockSharesOutstanding_38A551C23E1B0FE85483B03DDA30B0B6_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_38A551C23E1B0FE85483B03DDA30B0B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity Common Stock, Shares Outstanding (in shares) </link:label>
<link:label id="lab_dei_EntityCommonStockSharesOutstanding_38A551C23E1B0FE85483B03DDA30B0B6_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_38A551C23E1B0FE85483B03DDA30B0B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_38A551C23E1B0FE85483B03DDA30B0B6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding_38A551C23E1B0FE85483B03DDA30B0B6" xlink:to="lab_dei_EntityCommonStockSharesOutstanding_38A551C23E1B0FE85483B03DDA30B0B6" xlink:type="arc"/>
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<link:label id="lab_us-gaap_AssetBackedSecuritiesMember_59C166C58E36EF41F547B03DD96CC485_terseLabel_en-US" xlink:label="lab_us-gaap_AssetBackedSecuritiesMember_59C166C58E36EF41F547B03DD96CC485" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Asset-backed securities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_59C166C58E36EF41F547B03DD96CC485" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetBackedSecuritiesMember_59C166C58E36EF41F547B03DD96CC485" xlink:to="lab_us-gaap_AssetBackedSecuritiesMember_59C166C58E36EF41F547B03DD96CC485" xlink:type="arc"/>
<link:label id="lab_wdc_MunicipalNotesAndBondsMember_1992BB7977C138052358B03DD96CCFAE_terseLabel_en-US" xlink:label="lab_wdc_MunicipalNotesAndBondsMember_1992BB7977C138052358B03DD96CCFAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Municipal notes and bonds </link:label>
<link:label id="lab_wdc_MunicipalNotesAndBondsMember_1992BB7977C138052358B03DD96CCFAE_label_en-US" xlink:label="lab_wdc_MunicipalNotesAndBondsMember_1992BB7977C138052358B03DD96CCFAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Municipal notes and bonds [Member] </link:label>
<link:label id="lab_wdc_MunicipalNotesAndBondsMember_1992BB7977C138052358B03DD96CCFAE_documentation_en-US" xlink:label="lab_wdc_MunicipalNotesAndBondsMember_1992BB7977C138052358B03DD96CCFAE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Short and long-term debt securities issued by state, city or local governments or the agencies operated by state, city or local governments. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_MunicipalNotesAndBondsMember" xlink:label="loc_wdc_MunicipalNotesAndBondsMember_1992BB7977C138052358B03DD96CCFAE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_MunicipalNotesAndBondsMember_1992BB7977C138052358B03DD96CCFAE" xlink:to="lab_wdc_MunicipalNotesAndBondsMember_1992BB7977C138052358B03DD96CCFAE" xlink:type="arc"/>
<link:label id="lab_us-gaap_EquitySecuritiesMember_07FC63CB71E47A6B7D43B03DD96C39AE_terseLabel_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember_07FC63CB71E47A6B7D43B03DD96C39AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity securities </link:label>
<link:label id="lab_us-gaap_EquitySecuritiesMember_07FC63CB71E47A6B7D43B03DD96C39AE_label_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember_07FC63CB71E47A6B7D43B03DD96C39AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Securities [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_07FC63CB71E47A6B7D43B03DD96C39AE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquitySecuritiesMember_07FC63CB71E47A6B7D43B03DD96C39AE" xlink:to="lab_us-gaap_EquitySecuritiesMember_07FC63CB71E47A6B7D43B03DD96C39AE" xlink:type="arc"/>
<link:label id="lab_us-gaap_USTreasurySecuritiesMember_61073F7EF1BCA567D9D8B03DD96CAB72_terseLabel_en-US" xlink:label="lab_us-gaap_USTreasurySecuritiesMember_61073F7EF1BCA567D9D8B03DD96CAB72" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> U.S. Treasury securities </link:label>
<link:label id="lab_us-gaap_USTreasurySecuritiesMember_61073F7EF1BCA567D9D8B03DD96CAB72_label_en-US" xlink:label="lab_us-gaap_USTreasurySecuritiesMember_61073F7EF1BCA567D9D8B03DD96CAB72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> US Treasury Securities [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USTreasurySecuritiesMember" xlink:label="loc_us-gaap_USTreasurySecuritiesMember_61073F7EF1BCA567D9D8B03DD96CAB72" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_USTreasurySecuritiesMember_61073F7EF1BCA567D9D8B03DD96CAB72" xlink:to="lab_us-gaap_USTreasurySecuritiesMember_61073F7EF1BCA567D9D8B03DD96CAB72" xlink:type="arc"/>
<link:label id="lab_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_A107932FE1C7BF1A5754B03DD96CBDFE_terseLabel_en-US" xlink:label="lab_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_A107932FE1C7BF1A5754B03DD96CBDFE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> U.S. Government agency securities </link:label>
<link:label id="lab_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_A107932FE1C7BF1A5754B03DD96CBDFE_label_en-US" xlink:label="lab_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_A107932FE1C7BF1A5754B03DD96CBDFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> US Government Agencies Debt Securities [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_A107932FE1C7BF1A5754B03DD96CBDFE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_A107932FE1C7BF1A5754B03DD96CBDFE" xlink:to="lab_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_A107932FE1C7BF1A5754B03DD96CBDFE" xlink:type="arc"/>
<link:label id="lab_us-gaap_ForeignGovernmentDebtSecuritiesMember_659DB890AE63391915B7B03DD96D6452_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignGovernmentDebtSecuritiesMember_659DB890AE63391915B7B03DD96D6452" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> International government securities </link:label>
<link:label id="lab_us-gaap_ForeignGovernmentDebtSecuritiesMember_659DB890AE63391915B7B03DD96D6452_label_en-US" xlink:label="lab_us-gaap_ForeignGovernmentDebtSecuritiesMember_659DB890AE63391915B7B03DD96D6452" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Security, Government, Non-US [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_659DB890AE63391915B7B03DD96D6452" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_659DB890AE63391915B7B03DD96D6452" xlink:to="lab_us-gaap_ForeignGovernmentDebtSecuritiesMember_659DB890AE63391915B7B03DD96D6452" xlink:type="arc"/>
<link:label id="lab_us-gaap_ForeignExchangeContractMember_759EF72812250708E0F8B03DD96D1F94_terseLabel_en-US" xlink:label="lab_us-gaap_ForeignExchangeContractMember_759EF72812250708E0F8B03DD96D1F94" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign exchange contracts </link:label>
<link:label id="lab_us-gaap_ForeignExchangeContractMember_759EF72812250708E0F8B03DD96D1F94_label_en-US" xlink:label="lab_us-gaap_ForeignExchangeContractMember_759EF72812250708E0F8B03DD96D1F94" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Foreign Exchange Contract [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_759EF72812250708E0F8B03DD96D1F94" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignExchangeContractMember_759EF72812250708E0F8B03DD96D1F94" xlink:to="lab_us-gaap_ForeignExchangeContractMember_759EF72812250708E0F8B03DD96D1F94" xlink:type="arc"/>
<link:label id="lab_us-gaap_InterestRateSwapMember_6B8CAB5865CE7F62150DB03DD96DD18E_terseLabel_en-US" xlink:label="lab_us-gaap_InterestRateSwapMember_6B8CAB5865CE7F62150DB03DD96DD18E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest rate swap contracts </link:label>
<link:label id="lab_us-gaap_InterestRateSwapMember_6B8CAB5865CE7F62150DB03DD96DD18E_label_en-US" xlink:label="lab_us-gaap_InterestRateSwapMember_6B8CAB5865CE7F62150DB03DD96DD18E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Interest Rate Swap [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_6B8CAB5865CE7F62150DB03DD96DD18E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestRateSwapMember_6B8CAB5865CE7F62150DB03DD96DD18E" xlink:to="lab_us-gaap_InterestRateSwapMember_6B8CAB5865CE7F62150DB03DD96DD18E" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3F934636F624BC80B70EB03DD96EED50_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3F934636F624BC80B70EB03DD96EED50" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] </link:label>
<link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3F934636F624BC80B70EB03DD96EED50_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3F934636F624BC80B70EB03DD96EED50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3F934636F624BC80B70EB03DD96EED50" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3F934636F624BC80B70EB03DD96EED50" xlink:to="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3F934636F624BC80B70EB03DD96EED50" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_98E5D41AA0974BE9B414B03DD96F77AA_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_98E5D41AA0974BE9B414B03DD96F77AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash equivalents: </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_98E5D41AA0974BE9B414B03DD96F77AA_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_98E5D41AA0974BE9B414B03DD96F77AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Fair Value Disclosure </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_98E5D41AA0974BE9B414B03DD96F77AA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_98E5D41AA0974BE9B414B03DD96F77AA" xlink:to="lab_us-gaap_CashAndCashEquivalentsFairValueDisclosure_98E5D41AA0974BE9B414B03DD96F77AA" xlink:type="arc"/>
<link:label id="lab_wdc_ShorttermInvestmentsFairValueDisclosure_D173361A1A54F4C91A61B03DD96F0F80_terseLabel_en-US" xlink:label="lab_wdc_ShorttermInvestmentsFairValueDisclosure_D173361A1A54F4C91A61B03DD96F0F80" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Short-term available-for-sale securities: </link:label>
<link:label id="lab_wdc_ShorttermInvestmentsFairValueDisclosure_D173361A1A54F4C91A61B03DD96F0F80_label_en-US" xlink:label="lab_wdc_ShorttermInvestmentsFairValueDisclosure_D173361A1A54F4C91A61B03DD96F0F80" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Short-term Investments, Fair Value Disclosure </link:label>
<link:label id="lab_wdc_ShorttermInvestmentsFairValueDisclosure_D173361A1A54F4C91A61B03DD96F0F80_documentation_en-US" xlink:label="lab_wdc_ShorttermInvestmentsFairValueDisclosure_D173361A1A54F4C91A61B03DD96F0F80" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Short-term Investments, Fair Value Disclosure </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_ShorttermInvestmentsFairValueDisclosure" xlink:label="loc_wdc_ShorttermInvestmentsFairValueDisclosure_D173361A1A54F4C91A61B03DD96F0F80" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ShorttermInvestmentsFairValueDisclosure_D173361A1A54F4C91A61B03DD96F0F80" xlink:to="lab_wdc_ShorttermInvestmentsFairValueDisclosure_D173361A1A54F4C91A61B03DD96F0F80" xlink:type="arc"/>
<link:label id="lab_wdc_LongtermInvestmentsFairValueDisclosure_49D375DEE33369DB94B9B03DD96FDFD4_terseLabel_en-US" xlink:label="lab_wdc_LongtermInvestmentsFairValueDisclosure_49D375DEE33369DB94B9B03DD96FDFD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term available-for-sale securities: </link:label>
<link:label id="lab_wdc_LongtermInvestmentsFairValueDisclosure_49D375DEE33369DB94B9B03DD96FDFD4_label_en-US" xlink:label="lab_wdc_LongtermInvestmentsFairValueDisclosure_49D375DEE33369DB94B9B03DD96FDFD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Investments, Fair Value Disclosure </link:label>
<link:label id="lab_wdc_LongtermInvestmentsFairValueDisclosure_49D375DEE33369DB94B9B03DD96FDFD4_documentation_en-US" xlink:label="lab_wdc_LongtermInvestmentsFairValueDisclosure_49D375DEE33369DB94B9B03DD96FDFD4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Long-term Investments, Fair Value Disclosure </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_LongtermInvestmentsFairValueDisclosure" xlink:label="loc_wdc_LongtermInvestmentsFairValueDisclosure_49D375DEE33369DB94B9B03DD96FDFD4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_LongtermInvestmentsFairValueDisclosure_49D375DEE33369DB94B9B03DD96FDFD4" xlink:to="lab_wdc_LongtermInvestmentsFairValueDisclosure_49D375DEE33369DB94B9B03DD96FDFD4" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeAssets_32E6560A7878B6C75A0FB03DD96F60DE_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssets_32E6560A7878B6C75A0FB03DD96F60DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign exchange contracts </link:label>
<link:label id="lab_us-gaap_DerivativeAssets_32E6560A7878B6C75A0FB03DD96F60DE_label_en-US" xlink:label="lab_us-gaap_DerivativeAssets_32E6560A7878B6C75A0FB03DD96F60DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Asset </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeAssets" xlink:label="loc_us-gaap_DerivativeAssets_32E6560A7878B6C75A0FB03DD96F60DE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeAssets_32E6560A7878B6C75A0FB03DD96F60DE" xlink:to="lab_us-gaap_DerivativeAssets_32E6560A7878B6C75A0FB03DD96F60DE" xlink:type="arc"/>
<link:label id="lab_us-gaap_AssetsFairValueDisclosure_FEA0F22AFF36BCC21561B03DD96F5647_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsFairValueDisclosure_FEA0F22AFF36BCC21561B03DD96F5647" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total assets at fair value </link:label>
<link:label id="lab_us-gaap_AssetsFairValueDisclosure_FEA0F22AFF36BCC21561B03DD96F5647_label_en-US" xlink:label="lab_us-gaap_AssetsFairValueDisclosure_FEA0F22AFF36BCC21561B03DD96F5647" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Assets, Fair Value Disclosure </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_FEA0F22AFF36BCC21561B03DD96F5647" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsFairValueDisclosure_FEA0F22AFF36BCC21561B03DD96F5647" xlink:to="lab_us-gaap_AssetsFairValueDisclosure_FEA0F22AFF36BCC21561B03DD96F5647" xlink:type="arc"/>
<link:label id="lab_us-gaap_DerivativeLiabilities_19B7C7D50FFE7997C815B03DD9708E81_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilities_19B7C7D50FFE7997C815B03DD9708E81" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative liability </link:label>
<link:label id="lab_us-gaap_DerivativeLiabilities_19B7C7D50FFE7997C815B03DD9708E81_label_en-US" xlink:label="lab_us-gaap_DerivativeLiabilities_19B7C7D50FFE7997C815B03DD9708E81" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="loc_us-gaap_DerivativeLiabilities_19B7C7D50FFE7997C815B03DD9708E81" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLiabilities_19B7C7D50FFE7997C815B03DD9708E81" xlink:to="lab_us-gaap_DerivativeLiabilities_19B7C7D50FFE7997C815B03DD9708E81" xlink:type="arc"/>
<link:label id="lab_us-gaap_LiabilitiesFairValueDisclosure_58FE267BDA3031FE15A4B03DD97018BF_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesFairValueDisclosure_58FE267BDA3031FE15A4B03DD97018BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Total liabilities fair value </link:label>
<link:label id="lab_us-gaap_LiabilitiesFairValueDisclosure_58FE267BDA3031FE15A4B03DD97018BF_label_en-US" xlink:label="lab_us-gaap_LiabilitiesFairValueDisclosure_58FE267BDA3031FE15A4B03DD97018BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Financial and Nonfinancial Liabilities, Fair Value Disclosure </link:label>
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<link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_85F4BE2E9DF5E72AE363BA28A401A462_terseLabel_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_85F4BE2E9DF5E72AE363BA28A401A462" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basis of Presentation </link:label>
<link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_85F4BE2E9DF5E72AE363BA28A401A462_label_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_85F4BE2E9DF5E72AE363BA28A401A462" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Basis of Accounting, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_85F4BE2E9DF5E72AE363BA28A401A462" xlink:type="locator"/>
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<link:label id="lab_us-gaap_FiscalPeriod_FDC7EADF556E20C8F304BA28A402E924_terseLabel_en-US" xlink:label="lab_us-gaap_FiscalPeriod_FDC7EADF556E20C8F304BA28A402E924" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fiscal Year </link:label>
<link:label id="lab_us-gaap_FiscalPeriod_FDC7EADF556E20C8F304BA28A402E924_label_en-US" xlink:label="lab_us-gaap_FiscalPeriod_FDC7EADF556E20C8F304BA28A402E924" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fiscal Period, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiscalPeriod" xlink:label="loc_us-gaap_FiscalPeriod_FDC7EADF556E20C8F304BA28A402E924" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy_AC5618AEA73AEAD89A7DBA28A403DD86_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy_AC5618AEA73AEAD89A7DBA28A403DD86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basis of Consolidation </link:label>
<link:label id="lab_us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy_AC5618AEA73AEAD89A7DBA28A403DD86_label_en-US" xlink:label="lab_us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy_AC5618AEA73AEAD89A7DBA28A403DD86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy" xlink:label="loc_us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy_AC5618AEA73AEAD89A7DBA28A403DD86" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy_AC5618AEA73AEAD89A7DBA28A403DD86" xlink:to="lab_us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy_AC5618AEA73AEAD89A7DBA28A403DD86" xlink:type="arc"/>
<link:label id="lab_us-gaap_UseOfEstimates_F7D44AAADDDD5FD0AA70BA28A403E3CA_terseLabel_en-US" xlink:label="lab_us-gaap_UseOfEstimates_F7D44AAADDDD5FD0AA70BA28A403E3CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Use of Estimates </link:label>
<link:label id="lab_us-gaap_UseOfEstimates_F7D44AAADDDD5FD0AA70BA28A403E3CA_label_en-US" xlink:label="lab_us-gaap_UseOfEstimates_F7D44AAADDDD5FD0AA70BA28A403E3CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Use of Estimates, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates_F7D44AAADDDD5FD0AA70BA28A403E3CA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_F5DC4DD8CC3CF4726B2FBA28A4037F08_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_F5DC4DD8CC3CF4726B2FBA28A4037F08" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash Equivalents </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_F5DC4DD8CC3CF4726B2FBA28A4037F08_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_F5DC4DD8CC3CF4726B2FBA28A4037F08" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_F5DC4DD8CC3CF4726B2FBA28A4037F08" xlink:type="locator"/>
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<link:label id="lab_us-gaap_MarketableSecuritiesPolicy_8CBD5D29E9ED33C97E13BA28A4033B8A_terseLabel_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesPolicy_8CBD5D29E9ED33C97E13BA28A4033B8A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Available-for-sale Securities </link:label>
<link:label id="lab_us-gaap_MarketableSecuritiesPolicy_8CBD5D29E9ED33C97E13BA28A4033B8A_label_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesPolicy_8CBD5D29E9ED33C97E13BA28A4033B8A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Marketable Securities, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MarketableSecuritiesPolicy" xlink:label="loc_us-gaap_MarketableSecuritiesPolicy_8CBD5D29E9ED33C97E13BA28A4033B8A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MarketableSecuritiesPolicy_8CBD5D29E9ED33C97E13BA28A4033B8A" xlink:to="lab_us-gaap_MarketableSecuritiesPolicy_8CBD5D29E9ED33C97E13BA28A4033B8A" xlink:type="arc"/>
<link:label id="lab_us-gaap_EquityMethodInvestmentsPolicy_0F4BB58E5CF46D7A6E55BA28A404A248_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsPolicy_0F4BB58E5CF46D7A6E55BA28A404A248" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Investments </link:label>
<link:label id="lab_us-gaap_EquityMethodInvestmentsPolicy_0F4BB58E5CF46D7A6E55BA28A404A248_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsPolicy_0F4BB58E5CF46D7A6E55BA28A404A248" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investments [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentsPolicy" xlink:label="loc_us-gaap_EquityMethodInvestmentsPolicy_0F4BB58E5CF46D7A6E55BA28A404A248" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentsPolicy_0F4BB58E5CF46D7A6E55BA28A404A248" xlink:to="lab_us-gaap_EquityMethodInvestmentsPolicy_0F4BB58E5CF46D7A6E55BA28A404A248" xlink:type="arc"/>
<link:label id="lab_us-gaap_ConsolidationVariableInterestEntityPolicy_4FD4084726F1CABFF02BBA28A404F4DE_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationVariableInterestEntityPolicy_4FD4084726F1CABFF02BBA28A404F4DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Interest Entities </link:label>
<link:label id="lab_us-gaap_ConsolidationVariableInterestEntityPolicy_4FD4084726F1CABFF02BBA28A404F4DE_label_en-US" xlink:label="lab_us-gaap_ConsolidationVariableInterestEntityPolicy_4FD4084726F1CABFF02BBA28A404F4DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Consolidation, Variable Interest Entity, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConsolidationVariableInterestEntityPolicy" xlink:label="loc_us-gaap_ConsolidationVariableInterestEntityPolicy_4FD4084726F1CABFF02BBA28A404F4DE" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationVariableInterestEntityPolicy_4FD4084726F1CABFF02BBA28A404F4DE" xlink:to="lab_us-gaap_ConsolidationVariableInterestEntityPolicy_4FD4084726F1CABFF02BBA28A404F4DE" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_E175D294935E27AA36FFBA28A404327B_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_E175D294935E27AA36FFBA28A404327B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Fair Value of Financial Instruments </link:label>
<link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_E175D294935E27AA36FFBA28A404327B_label_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_E175D294935E27AA36FFBA28A404327B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value of Financial Instruments, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_E175D294935E27AA36FFBA28A404327B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InventoryPolicyTextBlock_7A893518F2750BEDD773BA28A40536A3_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_7A893518F2750BEDD773BA28A40536A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>
<link:label id="lab_us-gaap_InventoryPolicyTextBlock_7A893518F2750BEDD773BA28A40536A3_label_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_7A893518F2750BEDD773BA28A40536A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="loc_us-gaap_InventoryPolicyTextBlock_7A893518F2750BEDD773BA28A40536A3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_CA76DF9497373AA67034BA28A4054AFC_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_CA76DF9497373AA67034BA28A4054AFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_CA76DF9497373AA67034BA28A4054AFC_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_CA76DF9497373AA67034BA28A4054AFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_CA76DF9497373AA67034BA28A4054AFC" xlink:type="locator"/>
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<link:label id="lab_us-gaap_BusinessCombinationsPolicy_F36AC64A66D743B2B51FBA28A4059949_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationsPolicy_F36AC64A66D743B2B51FBA28A4059949" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Business Combinations </link:label>
<link:label id="lab_us-gaap_BusinessCombinationsPolicy_F36AC64A66D743B2B51FBA28A4059949_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationsPolicy_F36AC64A66D743B2B51FBA28A4059949" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Business Combinations Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationsPolicy" xlink:label="loc_us-gaap_BusinessCombinationsPolicy_F36AC64A66D743B2B51FBA28A4059949" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B6FF1E359482C82D4B68BA28A4056055_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B6FF1E359482C82D4B68BA28A4056055" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill and Other Long-Lived Assets </link:label>
<link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B6FF1E359482C82D4B68BA28A4056055_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B6FF1E359482C82D4B68BA28A4056055" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill and Intangible Assets, Policy [Policy Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_B6FF1E359482C82D4B68BA28A4056055" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_012E2420347427D726EBBA28A40656AA_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_012E2420347427D726EBBA28A40656AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue and Accounts Receivable </link:label>
<link:label id="lab_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_012E2420347427D726EBBA28A40656AA_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_012E2420347427D726EBBA28A40656AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue from Contract with Customer [Policy Text Block] </link:label>
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<link:label id="lab_us-gaap_StandardProductWarrantyPolicy_1638D75E269A4D230C9ABA28A406E664_terseLabel_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyPolicy_1638D75E269A4D230C9ABA28A406E664" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Warranty </link:label>
<link:label id="lab_us-gaap_StandardProductWarrantyPolicy_1638D75E269A4D230C9ABA28A406E664_label_en-US" xlink:label="lab_us-gaap_StandardProductWarrantyPolicy_1638D75E269A4D230C9ABA28A406E664" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard Product Warranty, Policy [Policy Text Block] </link:label>
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<link:label id="lab_us-gaap_UnusualOrInfrequentItemAxis_48A7A0EE22111C6AB115BAA37D4C1BEF_terseLabel_en-US" xlink:label="lab_us-gaap_UnusualOrInfrequentItemAxis_48A7A0EE22111C6AB115BAA37D4C1BEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unusual or Infrequent Item, or Both [Axis] </link:label>
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<link:label id="lab_us-gaap_UnusualOrInfrequentItemDomain_53DAE9A5B50FE738E953BAA37D4C66A8_terseLabel_en-US" xlink:label="lab_us-gaap_UnusualOrInfrequentItemDomain_53DAE9A5B50FE738E953BAA37D4C66A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unusual or Infrequent Item, or Both [Domain] </link:label>
<link:label id="lab_us-gaap_UnusualOrInfrequentItemDomain_53DAE9A5B50FE738E953BAA37D4C66A8_label_en-US" xlink:label="lab_us-gaap_UnusualOrInfrequentItemDomain_53DAE9A5B50FE738E953BAA37D4C66A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unusual or Infrequent Item, or Both [Domain] </link:label>
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<link:label id="lab_us-gaap_NaturalDisastersAndOtherCasualtyEventsMember_1A37EF4F6885E503DC20BAA37D4C5179_terseLabel_en-US" xlink:label="lab_us-gaap_NaturalDisastersAndOtherCasualtyEventsMember_1A37EF4F6885E503DC20BAA37D4C5179" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unexpected Power Outage </link:label>
<link:label id="lab_us-gaap_NaturalDisastersAndOtherCasualtyEventsMember_1A37EF4F6885E503DC20BAA37D4C5179_label_en-US" xlink:label="lab_us-gaap_NaturalDisastersAndOtherCasualtyEventsMember_1A37EF4F6885E503DC20BAA37D4C5179" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Natural Disasters and Other Casualty Events [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NaturalDisastersAndOtherCasualtyEventsMember" xlink:label="loc_us-gaap_NaturalDisastersAndOtherCasualtyEventsMember_1A37EF4F6885E503DC20BAA37D4C5179" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SaleLeasebackTransactionDescriptionAxis_94B22D7D9F6F760F4FA1BAA37D4C7620_terseLabel_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionDescriptionAxis_94B22D7D9F6F760F4FA1BAA37D4C7620" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sale Leaseback Transaction, Description [Axis] </link:label>
<link:label id="lab_us-gaap_SaleLeasebackTransactionDescriptionAxis_94B22D7D9F6F760F4FA1BAA37D4C7620_label_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionDescriptionAxis_94B22D7D9F6F760F4FA1BAA37D4C7620" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sale Leaseback Transaction, Description [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleLeasebackTransactionDescriptionAxis" xlink:label="loc_us-gaap_SaleLeasebackTransactionDescriptionAxis_94B22D7D9F6F760F4FA1BAA37D4C7620" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SaleLeasebackTransactionNameDomain_BFCEC049F45F43BC05DFBAA37D4D5F56_terseLabel_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionNameDomain_BFCEC049F45F43BC05DFBAA37D4D5F56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sale Leaseback Transaction, Name [Domain] </link:label>
<link:label id="lab_us-gaap_SaleLeasebackTransactionNameDomain_BFCEC049F45F43BC05DFBAA37D4D5F56_label_en-US" xlink:label="lab_us-gaap_SaleLeasebackTransactionNameDomain_BFCEC049F45F43BC05DFBAA37D4D5F56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sale Leaseback Transaction, Name [Domain] </link:label>
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<link:label id="lab_wdc_SaleLeasebackofCaliforniaManufacturingFacilityMember_D0B2746393C1471E4D59BAA37D4DB9F9_terseLabel_en-US" xlink:label="lab_wdc_SaleLeasebackofCaliforniaManufacturingFacilityMember_D0B2746393C1471E4D59BAA37D4DB9F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sale Leaseback of California Manufacturing Facility </link:label>
<link:label id="lab_wdc_SaleLeasebackofCaliforniaManufacturingFacilityMember_D0B2746393C1471E4D59BAA37D4DB9F9_label_en-US" xlink:label="lab_wdc_SaleLeasebackofCaliforniaManufacturingFacilityMember_D0B2746393C1471E4D59BAA37D4DB9F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sale Leaseback of California Manufacturing Facility [Member] </link:label>
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<link:loc xlink:href="wdc-20190628.xsd#wdc_SaleLeasebackofCaliforniaManufacturingFacilityMember" xlink:label="loc_wdc_SaleLeasebackofCaliforniaManufacturingFacilityMember_D0B2746393C1471E4D59BAA37D4DB9F9" xlink:type="locator"/>
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<link:label id="lab_wdc_ToshibaMemoryCorporationMember_C6F1BEE7F9911DD3E658BAA37D4EC56D_terseLabel_en-US" xlink:label="lab_wdc_ToshibaMemoryCorporationMember_C6F1BEE7F9911DD3E658BAA37D4EC56D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Toshiba Memory Corporation </link:label>
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<link:loc xlink:href="wdc-20190628.xsd#wdc_ToshibaMemoryCorporationMember" xlink:label="loc_wdc_ToshibaMemoryCorporationMember_C6F1BEE7F9911DD3E658BAA37D4EC56D" xlink:type="locator"/>
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<link:label id="lab_wdc_UnissoftWuxiGroupCoLtd.Member_B6EAD64359F960240AE6BAA37D4EEEAC_terseLabel_en-US" xlink:label="lab_wdc_UnissoftWuxiGroupCoLtd.Member_B6EAD64359F960240AE6BAA37D4EEEAC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unissoft (Wuxi) Group Co Ltd. </link:label>
<link:label id="lab_wdc_UnissoftWuxiGroupCoLtd.Member_B6EAD64359F960240AE6BAA37D4EEEAC_label_en-US" xlink:label="lab_wdc_UnissoftWuxiGroupCoLtd.Member_B6EAD64359F960240AE6BAA37D4EEEAC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Unissoft (Wuxi) Group Co Ltd. [Member] </link:label>
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<link:loc xlink:href="wdc-20190628.xsd#wdc_UnissoftWuxiGroupCoLtd.Member" xlink:label="loc_wdc_UnissoftWuxiGroupCoLtd.Member_B6EAD64359F960240AE6BAA37D4EEEAC" xlink:type="locator"/>
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<link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_476966A3B4D37D6B12EFBAA37D4E5F1E_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_476966A3B4D37D6B12EFBAA37D4E5F1E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment, Name [Axis] </link:label>
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<link:label id="lab_srt_EquityMethodInvesteeNameDomain_C1F3A097F8F66C5EDD46BAA37D4E7128_terseLabel_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain_C1F3A097F8F66C5EDD46BAA37D4E7128" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment, Name [Domain] </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_EquityMethodInvesteeNameDomain" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_C1F3A097F8F66C5EDD46BAA37D4E7128" xlink:type="locator"/>
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<link:label id="lab_wdc_FlashVenturesMember_51B81A325EC19579CDD3BAA37D4F62F0_terseLabel_en-US" xlink:label="lab_wdc_FlashVenturesMember_51B81A325EC19579CDD3BAA37D4F62F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Flash Ventures </link:label>
<link:label id="lab_wdc_FlashVenturesMember_51B81A325EC19579CDD3BAA37D4F62F0_label_en-US" xlink:label="lab_wdc_FlashVenturesMember_51B81A325EC19579CDD3BAA37D4F62F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Flash Ventures [Member] </link:label>
<link:label id="lab_wdc_FlashVenturesMember_51B81A325EC19579CDD3BAA37D4F62F0_documentation_en-US" xlink:label="lab_wdc_FlashVenturesMember_51B81A325EC19579CDD3BAA37D4F62F0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Flash Ventures [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_FlashVenturesMember" xlink:label="loc_wdc_FlashVenturesMember_51B81A325EC19579CDD3BAA37D4F62F0" xlink:type="locator"/>
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<link:label id="lab_wdc_UnisVentureMember_6BF7EB97B62F987ED93DBAA37D4FBF43_terseLabel_en-US" xlink:label="lab_wdc_UnisVentureMember_6BF7EB97B62F987ED93DBAA37D4FBF43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unis Venture </link:label>
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<link:label id="lab_wdc_EquityMethodInvestorNameAxis_4F2B8C426FC8E7DFCDFABAA37D503F38_terseLabel_en-US" xlink:label="lab_wdc_EquityMethodInvestorNameAxis_4F2B8C426FC8E7DFCDFABAA37D503F38" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Method Investor, Name [Axis] </link:label>
<link:label id="lab_wdc_EquityMethodInvestorNameAxis_4F2B8C426FC8E7DFCDFABAA37D503F38_label_en-US" xlink:label="lab_wdc_EquityMethodInvestorNameAxis_4F2B8C426FC8E7DFCDFABAA37D503F38" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investor, Name [Axis] </link:label>
<link:label id="lab_wdc_EquityMethodInvestorNameAxis_4F2B8C426FC8E7DFCDFABAA37D503F38_documentation_en-US" xlink:label="lab_wdc_EquityMethodInvestorNameAxis_4F2B8C426FC8E7DFCDFABAA37D503F38" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Equity Method Investor, Name [Axis] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_EquityMethodInvestorNameAxis" xlink:label="loc_wdc_EquityMethodInvestorNameAxis_4F2B8C426FC8E7DFCDFABAA37D503F38" xlink:type="locator"/>
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<link:label id="lab_wdc_EquityMethodInvestorNameDomain_1CFB8FCE753263F6C4A7BAA37D504457_terseLabel_en-US" xlink:label="lab_wdc_EquityMethodInvestorNameDomain_1CFB8FCE753263F6C4A7BAA37D504457" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity Method Investor, Name [Domain] </link:label>
<link:label id="lab_wdc_EquityMethodInvestorNameDomain_1CFB8FCE753263F6C4A7BAA37D504457_label_en-US" xlink:label="lab_wdc_EquityMethodInvestorNameDomain_1CFB8FCE753263F6C4A7BAA37D504457" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investor, Name [Domain] </link:label>
<link:label id="lab_wdc_EquityMethodInvestorNameDomain_1CFB8FCE753263F6C4A7BAA37D504457_documentation_en-US" xlink:label="lab_wdc_EquityMethodInvestorNameDomain_1CFB8FCE753263F6C4A7BAA37D504457" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Equity Method Investor, Name [Domain] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_EquityMethodInvestorNameDomain" xlink:label="loc_wdc_EquityMethodInvestorNameDomain_1CFB8FCE753263F6C4A7BAA37D504457" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_EquityMethodInvestorNameDomain_1CFB8FCE753263F6C4A7BAA37D504457" xlink:to="lab_wdc_EquityMethodInvestorNameDomain_1CFB8FCE753263F6C4A7BAA37D504457" xlink:type="arc"/>
<link:label id="lab_wdc_WesternDigitalCorpMember_CD8664889D0C9FB8C30DBAA37D506266_terseLabel_en-US" xlink:label="lab_wdc_WesternDigitalCorpMember_CD8664889D0C9FB8C30DBAA37D506266" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Western Digital Corp </link:label>
<link:label id="lab_wdc_WesternDigitalCorpMember_CD8664889D0C9FB8C30DBAA37D506266_label_en-US" xlink:label="lab_wdc_WesternDigitalCorpMember_CD8664889D0C9FB8C30DBAA37D506266" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Western Digital Corp [Member] </link:label>
<link:label id="lab_wdc_WesternDigitalCorpMember_CD8664889D0C9FB8C30DBAA37D506266_documentation_en-US" xlink:label="lab_wdc_WesternDigitalCorpMember_CD8664889D0C9FB8C30DBAA37D506266" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Owner of record with less than 50% voting interest of the entity. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_WesternDigitalCorpMember" xlink:label="loc_wdc_WesternDigitalCorpMember_CD8664889D0C9FB8C30DBAA37D506266" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_WesternDigitalCorpMember_CD8664889D0C9FB8C30DBAA37D506266" xlink:to="lab_wdc_WesternDigitalCorpMember_CD8664889D0C9FB8C30DBAA37D506266" xlink:type="arc"/>
<link:label id="lab_us-gaap_RelatedPartyTransactionsAbstract_E7DD892D0FB1FADBE915BAA37D52EAB5_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsAbstract_E7DD892D0FB1FADBE915BAA37D52EAB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Related Party Transactions [Abstract] </link:label>
<link:label id="lab_us-gaap_RelatedPartyTransactionsAbstract_E7DD892D0FB1FADBE915BAA37D52EAB5_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsAbstract_E7DD892D0FB1FADBE915BAA37D52EAB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Related Party Transactions [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_E7DD892D0FB1FADBE915BAA37D52EAB5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_E7DD892D0FB1FADBE915BAA37D52EAB5" xlink:to="lab_us-gaap_RelatedPartyTransactionsAbstract_E7DD892D0FB1FADBE915BAA37D52EAB5" xlink:type="arc"/>
<link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_357C335A8004B44093A2BAA37D52CB7F_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_357C335A8004B44093A2BAA37D52CB7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity method investment, ownership percentage </link:label>
<link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_357C335A8004B44093A2BAA37D52CB7F_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_357C335A8004B44093A2BAA37D52CB7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity Method Investment, Ownership Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_357C335A8004B44093A2BAA37D52CB7F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_357C335A8004B44093A2BAA37D52CB7F" xlink:to="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_357C335A8004B44093A2BAA37D52CB7F" xlink:type="arc"/>
<link:label id="lab_wdc_PartnersOwnershipInVentureBusiness_1CED4481D90C50D7D273BAA37D520A6E_terseLabel_en-US" xlink:label="lab_wdc_PartnersOwnershipInVentureBusiness_1CED4481D90C50D7D273BAA37D520A6E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Partner's ownership in venture business </link:label>
<link:label id="lab_wdc_PartnersOwnershipInVentureBusiness_1CED4481D90C50D7D273BAA37D520A6E_label_en-US" xlink:label="lab_wdc_PartnersOwnershipInVentureBusiness_1CED4481D90C50D7D273BAA37D520A6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Partner's ownership in venture business </link:label>
<link:label id="lab_wdc_PartnersOwnershipInVentureBusiness_1CED4481D90C50D7D273BAA37D520A6E_documentation_en-US" xlink:label="lab_wdc_PartnersOwnershipInVentureBusiness_1CED4481D90C50D7D273BAA37D520A6E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Partner's ownership in venture business. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_PartnersOwnershipInVentureBusiness" xlink:label="loc_wdc_PartnersOwnershipInVentureBusiness_1CED4481D90C50D7D273BAA37D520A6E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherCommitment_E6A60E94AFAE1223B711BAAF5557C78A_totalLabel_en-US" xlink:label="lab_us-gaap_OtherCommitment_E6A60E94AFAE1223B711BAAF5557C78A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Prepayment of future depreciation </link:label>
<link:label id="lab_us-gaap_OtherCommitment_E6A60E94AFAE1223B711BAAF5557C78A_label_en-US" xlink:label="lab_us-gaap_OtherCommitment_E6A60E94AFAE1223B711BAAF5557C78A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Commitment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherCommitment" xlink:label="loc_us-gaap_OtherCommitment_E6A60E94AFAE1223B711BAAF5557C78A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCommitment_E6A60E94AFAE1223B711BAAF5557C78A" xlink:to="lab_us-gaap_OtherCommitment_E6A60E94AFAE1223B711BAAF5557C78A" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_D91AD2DF133C869BA20BBAAFFFC420B6_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_D91AD2DF133C869BA20BBAAFFFC420B6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Prepayment of future depreciation in fiscal year 2020 </link:label>
<link:label id="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_D91AD2DF133C869BA20BBAAFFFC420B6_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInNextTwelveMonths_D91AD2DF133C869BA20BBAAFFFC420B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Commitment, Due in Next Twelve Months </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherCommitmentDueInNextTwelveMonths" xlink:label="loc_us-gaap_OtherCommitmentDueInNextTwelveMonths_D91AD2DF133C869BA20BBAAFFFC420B6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherCommitmentDueInSecondYear_E0DBB47D24C647C6E41EBAB07EF98298_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInSecondYear_E0DBB47D24C647C6E41EBAB07EF98298" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Prepayment of future depreciation in fiscal year 2021 </link:label>
<link:label id="lab_us-gaap_OtherCommitmentDueInSecondYear_E0DBB47D24C647C6E41EBAB07EF98298_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInSecondYear_E0DBB47D24C647C6E41EBAB07EF98298" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Commitment, Due in Second Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherCommitmentDueInSecondYear" xlink:label="loc_us-gaap_OtherCommitmentDueInSecondYear_E0DBB47D24C647C6E41EBAB07EF98298" xlink:type="locator"/>
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<link:label id="lab_us-gaap_OtherCommitmentDueInThirdYear_B1DDF757273054056F81BAB10C3C25EA_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInThirdYear_B1DDF757273054056F81BAB10C3C25EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Prepayment of future depreciation in fiscal year 2022 </link:label>
<link:label id="lab_us-gaap_OtherCommitmentDueInThirdYear_B1DDF757273054056F81BAB10C3C25EA_label_en-US" xlink:label="lab_us-gaap_OtherCommitmentDueInThirdYear_B1DDF757273054056F81BAB10C3C25EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Commitment, Due in Third Year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherCommitmentDueInThirdYear" xlink:label="loc_us-gaap_OtherCommitmentDueInThirdYear_B1DDF757273054056F81BAB10C3C25EA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_43CF5173355B3117B511BAA37D523F13_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_43CF5173355B3117B511BAA37D523F13" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Payments for equity method investments </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_43CF5173355B3117B511BAA37D523F13" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RetainedEarningsUndistributedEarningsFromEquityMethodInvestees_A5818D503AC3209A5339BAA37D53D146_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsUndistributedEarningsFromEquityMethodInvestees_A5818D503AC3209A5339BAA37D53D146" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Undistributed earnings of Flash Ventures </link:label>
<link:label id="lab_us-gaap_RetainedEarningsUndistributedEarningsFromEquityMethodInvestees_A5818D503AC3209A5339BAA37D53D146_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsUndistributedEarningsFromEquityMethodInvestees_A5818D503AC3209A5339BAA37D53D146" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Retained Earnings, Undistributed Earnings from Equity Method Investees </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsUndistributedEarningsFromEquityMethodInvestees" xlink:label="loc_us-gaap_RetainedEarningsUndistributedEarningsFromEquityMethodInvestees_A5818D503AC3209A5339BAA37D53D146" xlink:type="locator"/>
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<link:label id="lab_wdc_InvestmentFundingCommitments_611714281538BB4161C4BAA37D53ABFC_terseLabel_en-US" xlink:label="lab_wdc_InvestmentFundingCommitments_611714281538BB4161C4BAA37D53ABFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Investment funding commitments </link:label>
<link:label id="lab_wdc_InvestmentFundingCommitments_611714281538BB4161C4BAA37D53ABFC_label_en-US" xlink:label="lab_wdc_InvestmentFundingCommitments_611714281538BB4161C4BAA37D53ABFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investment Funding Commitments </link:label>
<link:label id="lab_wdc_InvestmentFundingCommitments_611714281538BB4161C4BAA37D53ABFC_documentation_en-US" xlink:label="lab_wdc_InvestmentFundingCommitments_611714281538BB4161C4BAA37D53ABFC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Percent of commitment by the Company to fund a venture's investment in situations where the venture's sales are insufficient to cover the investments. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_InvestmentFundingCommitments" xlink:label="loc_wdc_InvestmentFundingCommitments_611714281538BB4161C4BAA37D53ABFC" xlink:type="locator"/>
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<link:label id="lab_wdc_CostsAssociatedWithUnderutilizedCapacityAsAResultOfATemporaryAbnormalReductionInProduction_8145D5B6DF02D73A06D2BAA37D53088F_terseLabel_en-US" xlink:label="lab_wdc_CostsAssociatedWithUnderutilizedCapacityAsAResultOfATemporaryAbnormalReductionInProduction_8145D5B6DF02D73A06D2BAA37D53088F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Costs incurred associated with reduction in utilization </link:label>
<link:label id="lab_wdc_CostsAssociatedWithUnderutilizedCapacityAsAResultOfATemporaryAbnormalReductionInProduction_8145D5B6DF02D73A06D2BAA37D53088F_label_en-US" xlink:label="lab_wdc_CostsAssociatedWithUnderutilizedCapacityAsAResultOfATemporaryAbnormalReductionInProduction_8145D5B6DF02D73A06D2BAA37D53088F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Costs Associated With Underutilized Capacity As A Result Of A Temporary Abnormal Reduction In Production </link:label>
<link:label id="lab_wdc_CostsAssociatedWithUnderutilizedCapacityAsAResultOfATemporaryAbnormalReductionInProduction_8145D5B6DF02D73A06D2BAA37D53088F_documentation_en-US" xlink:label="lab_wdc_CostsAssociatedWithUnderutilizedCapacityAsAResultOfATemporaryAbnormalReductionInProduction_8145D5B6DF02D73A06D2BAA37D53088F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Costs Associated With Underutilized Capacity As A Result Of A Temporary Abnormal Reduction In Production </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_CostsAssociatedWithUnderutilizedCapacityAsAResultOfATemporaryAbnormalReductionInProduction" xlink:label="loc_wdc_CostsAssociatedWithUnderutilizedCapacityAsAResultOfATemporaryAbnormalReductionInProduction_8145D5B6DF02D73A06D2BAA37D53088F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProductionRelatedImpairmentsOrCharges_F88AF03E8000731A4FBBBAA37D530D9C_terseLabel_en-US" xlink:label="lab_us-gaap_ProductionRelatedImpairmentsOrCharges_F88AF03E8000731A4FBBBAA37D530D9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Charges related to power outage </link:label>
<link:label id="lab_us-gaap_ProductionRelatedImpairmentsOrCharges_F88AF03E8000731A4FBBBAA37D530D9C_label_en-US" xlink:label="lab_us-gaap_ProductionRelatedImpairmentsOrCharges_F88AF03E8000731A4FBBBAA37D530D9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Production Related Impairments or Charges </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductionRelatedImpairmentsOrCharges" xlink:label="loc_us-gaap_ProductionRelatedImpairmentsOrCharges_F88AF03E8000731A4FBBBAA37D530D9C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProductionRelatedImpairmentsOrCharges_F88AF03E8000731A4FBBBAA37D530D9C" xlink:to="lab_us-gaap_ProductionRelatedImpairmentsOrCharges_F88AF03E8000731A4FBBBAA37D530D9C" xlink:type="arc"/>
<link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_0A72C4B1EACAD9F5804DBAA37D538CA3_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_0A72C4B1EACAD9F5804DBAA37D538CA3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Proceeds from sale leaseback transaction </link:label>
<link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_0A72C4B1EACAD9F5804DBAA37D538CA3_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_0A72C4B1EACAD9F5804DBAA37D538CA3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Sale of Property, Plant, and Equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_0A72C4B1EACAD9F5804DBAA37D538CA3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_0A72C4B1EACAD9F5804DBAA37D538CA3" xlink:to="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_0A72C4B1EACAD9F5804DBAA37D538CA3" xlink:type="arc"/>
<link:label id="lab_us-gaap_SaleAndLeasebackTransactionGainLossNet_45232E1E162DFF1DF527BAA37D53FE4F_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_SaleAndLeasebackTransactionGainLossNet_45232E1E162DFF1DF527BAA37D53FE4F" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Loss on sale leaseback transaction </link:label>
<link:label id="lab_us-gaap_SaleAndLeasebackTransactionGainLossNet_45232E1E162DFF1DF527BAA37D53FE4F_label_en-US" xlink:label="lab_us-gaap_SaleAndLeasebackTransactionGainLossNet_45232E1E162DFF1DF527BAA37D53FE4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Sale and Leaseback Transaction, Gain (Loss), Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SaleAndLeasebackTransactionGainLossNet" xlink:label="loc_us-gaap_SaleAndLeasebackTransactionGainLossNet_45232E1E162DFF1DF527BAA37D53FE4F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleAndLeasebackTransactionGainLossNet_45232E1E162DFF1DF527BAA37D53FE4F" xlink:to="lab_us-gaap_SaleAndLeasebackTransactionGainLossNet_45232E1E162DFF1DF527BAA37D53FE4F" xlink:type="arc"/>
<link:label id="lab_us-gaap_LesseeOperatingLeaseTermOfContract_659AC97709651EED467BBAA37D545155_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseTermOfContract_659AC97709651EED467BBAA37D545155" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Term of contract </link:label>
<link:label id="lab_us-gaap_LesseeOperatingLeaseTermOfContract_659AC97709651EED467BBAA37D545155_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseTermOfContract_659AC97709651EED467BBAA37D545155" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Term of Contract </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseTermOfContract" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract_659AC97709651EED467BBAA37D545155" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseTermOfContract_659AC97709651EED467BBAA37D545155" xlink:to="lab_us-gaap_LesseeOperatingLeaseTermOfContract_659AC97709651EED467BBAA37D545155" xlink:type="arc"/>
<link:label id="lab_wdc_LesseeOperatingLeaseLeasePaymentDueYearOne_EC4EE76616DA2B4EAFF6BAA37D543FA8_verboseLabel_en-US" xlink:label="lab_wdc_LesseeOperatingLeaseLeasePaymentDueYearOne_EC4EE76616DA2B4EAFF6BAA37D543FA8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Lease payment due in first year </link:label>
<link:label id="lab_wdc_LesseeOperatingLeaseLeasePaymentDueYearOne_EC4EE76616DA2B4EAFF6BAA37D543FA8_label_en-US" xlink:label="lab_wdc_LesseeOperatingLeaseLeasePaymentDueYearOne_EC4EE76616DA2B4EAFF6BAA37D543FA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Lease Payment, Due Year One </link:label>
<link:label id="lab_wdc_LesseeOperatingLeaseLeasePaymentDueYearOne_EC4EE76616DA2B4EAFF6BAA37D543FA8_documentation_en-US" xlink:label="lab_wdc_LesseeOperatingLeaseLeasePaymentDueYearOne_EC4EE76616DA2B4EAFF6BAA37D543FA8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Lease Payment, Due Year One </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_LesseeOperatingLeaseLeasePaymentDueYearOne" xlink:label="loc_wdc_LesseeOperatingLeaseLeasePaymentDueYearOne_EC4EE76616DA2B4EAFF6BAA37D543FA8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_LesseeOperatingLeaseLeasePaymentDueYearOne_EC4EE76616DA2B4EAFF6BAA37D543FA8" xlink:to="lab_wdc_LesseeOperatingLeaseLeasePaymentDueYearOne_EC4EE76616DA2B4EAFF6BAA37D543FA8" xlink:type="arc"/>
<link:label id="lab_wdc_LesseeOperatingLeaseLeasePaymentPercentAnnualIncrease_4FDC4F779CE68F37FDF8BAA37D54EF49_verboseLabel_en-US" xlink:label="lab_wdc_LesseeOperatingLeaseLeasePaymentPercentAnnualIncrease_4FDC4F779CE68F37FDF8BAA37D54EF49" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Annual increase of lease payment, percent </link:label>
<link:label id="lab_wdc_LesseeOperatingLeaseLeasePaymentPercentAnnualIncrease_4FDC4F779CE68F37FDF8BAA37D54EF49_label_en-US" xlink:label="lab_wdc_LesseeOperatingLeaseLeasePaymentPercentAnnualIncrease_4FDC4F779CE68F37FDF8BAA37D54EF49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Lease Payment, Percent Annual Increase </link:label>
<link:label id="lab_wdc_LesseeOperatingLeaseLeasePaymentPercentAnnualIncrease_4FDC4F779CE68F37FDF8BAA37D54EF49_documentation_en-US" xlink:label="lab_wdc_LesseeOperatingLeaseLeasePaymentPercentAnnualIncrease_4FDC4F779CE68F37FDF8BAA37D54EF49" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Lease Payment, Percent Annual Increase </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_LesseeOperatingLeaseLeasePaymentPercentAnnualIncrease" xlink:label="loc_wdc_LesseeOperatingLeaseLeasePaymentPercentAnnualIncrease_4FDC4F779CE68F37FDF8BAA37D54EF49" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_LesseeOperatingLeaseLeasePaymentPercentAnnualIncrease_4FDC4F779CE68F37FDF8BAA37D54EF49" xlink:to="lab_wdc_LesseeOperatingLeaseLeasePaymentPercentAnnualIncrease_4FDC4F779CE68F37FDF8BAA37D54EF49" xlink:type="arc"/>
<link:label id="lab_wdc_LesseeOperatingLeaseNumberOfRenewalOptions_D12D8924C8CFD3797C4DBAA37D54EEA3_verboseLabel_en-US" xlink:label="lab_wdc_LesseeOperatingLeaseNumberOfRenewalOptions_D12D8924C8CFD3797C4DBAA37D54EEA3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Number of renewal options </link:label>
<link:label id="lab_wdc_LesseeOperatingLeaseNumberOfRenewalOptions_D12D8924C8CFD3797C4DBAA37D54EEA3_label_en-US" xlink:label="lab_wdc_LesseeOperatingLeaseNumberOfRenewalOptions_D12D8924C8CFD3797C4DBAA37D54EEA3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Number Of Renewal Options </link:label>
<link:label id="lab_wdc_LesseeOperatingLeaseNumberOfRenewalOptions_D12D8924C8CFD3797C4DBAA37D54EEA3_documentation_en-US" xlink:label="lab_wdc_LesseeOperatingLeaseNumberOfRenewalOptions_D12D8924C8CFD3797C4DBAA37D54EEA3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Number Of Renewal Options </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_LesseeOperatingLeaseNumberOfRenewalOptions" xlink:label="loc_wdc_LesseeOperatingLeaseNumberOfRenewalOptions_D12D8924C8CFD3797C4DBAA37D54EEA3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_LesseeOperatingLeaseNumberOfRenewalOptions_D12D8924C8CFD3797C4DBAA37D54EEA3" xlink:to="lab_wdc_LesseeOperatingLeaseNumberOfRenewalOptions_D12D8924C8CFD3797C4DBAA37D54EEA3" xlink:type="arc"/>
<link:label id="lab_us-gaap_LesseeOperatingLeaseRenewalTerm_B87EE460428631DAB3B0BAA37D547C3F_verboseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseRenewalTerm_B87EE460428631DAB3B0BAA37D547C3F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Renewal term </link:label>
<link:label id="lab_us-gaap_LesseeOperatingLeaseRenewalTerm_B87EE460428631DAB3B0BAA37D547C3F_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseRenewalTerm_B87EE460428631DAB3B0BAA37D547C3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Lessee, Operating Lease, Renewal Term </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm" xlink:label="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_B87EE460428631DAB3B0BAA37D547C3F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_B87EE460428631DAB3B0BAA37D547C3F" xlink:to="lab_us-gaap_LesseeOperatingLeaseRenewalTerm_B87EE460428631DAB3B0BAA37D547C3F" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueAssetsLevel1ToLevel2TransfersAmount_EEDD6CFB95E5AA5318A6B03DD9594810_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsLevel1ToLevel2TransfersAmount_EEDD6CFB95E5AA5318A6B03DD9594810" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Transfers of assets from level 1 to level 2 </link:label>
<link:label id="lab_us-gaap_FairValueAssetsLevel1ToLevel2TransfersAmount_EEDD6CFB95E5AA5318A6B03DD9594810_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsLevel1ToLevel2TransfersAmount_EEDD6CFB95E5AA5318A6B03DD9594810" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets, Level 1 to Level 2 Transfers, Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsLevel1ToLevel2TransfersAmount" xlink:label="loc_us-gaap_FairValueAssetsLevel1ToLevel2TransfersAmount_EEDD6CFB95E5AA5318A6B03DD9594810" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsLevel1ToLevel2TransfersAmount_EEDD6CFB95E5AA5318A6B03DD9594810" xlink:to="lab_us-gaap_FairValueAssetsLevel1ToLevel2TransfersAmount_EEDD6CFB95E5AA5318A6B03DD9594810" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueAssetsLevel2ToLevel1TransfersAmount_86A27F08D82964CA8F8AB03DD95934C2_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsLevel2ToLevel1TransfersAmount_86A27F08D82964CA8F8AB03DD95934C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Transfer of assets from level 2 to level 1 </link:label>
<link:label id="lab_us-gaap_FairValueAssetsLevel2ToLevel1TransfersAmount_86A27F08D82964CA8F8AB03DD95934C2_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsLevel2ToLevel1TransfersAmount_86A27F08D82964CA8F8AB03DD95934C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Assets, Level 2 to Level 1 Transfers, Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsLevel2ToLevel1TransfersAmount" xlink:label="loc_us-gaap_FairValueAssetsLevel2ToLevel1TransfersAmount_86A27F08D82964CA8F8AB03DD95934C2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsLevel2ToLevel1TransfersAmount_86A27F08D82964CA8F8AB03DD95934C2" xlink:to="lab_us-gaap_FairValueAssetsLevel2ToLevel1TransfersAmount_86A27F08D82964CA8F8AB03DD95934C2" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount_16CAAD635753DE75B2B6B03DD9592AE6_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount_16CAAD635753DE75B2B6B03DD9592AE6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Transfers of liabilities from level 1 to level 2 </link:label>
<link:label id="lab_us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount_16CAAD635753DE75B2B6B03DD9592AE6_label_en-US" xlink:label="lab_us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount_16CAAD635753DE75B2B6B03DD9592AE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount" xlink:label="loc_us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount_16CAAD635753DE75B2B6B03DD9592AE6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount_16CAAD635753DE75B2B6B03DD9592AE6" xlink:to="lab_us-gaap_FairValueLiabilitiesLevel1ToLevel2TransfersAmount_16CAAD635753DE75B2B6B03DD9592AE6" xlink:type="arc"/>
<link:label id="lab_us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount_E0B8500974879CB05204B03DD959F946_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount_E0B8500974879CB05204B03DD959F946" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Transfer of liabilities from level 2 to level 1 </link:label>
<link:label id="lab_us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount_E0B8500974879CB05204B03DD959F946_label_en-US" xlink:label="lab_us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount_E0B8500974879CB05204B03DD959F946" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount" xlink:label="loc_us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount_E0B8500974879CB05204B03DD959F946" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount_E0B8500974879CB05204B03DD959F946" xlink:to="lab_us-gaap_FairValueLiabilitiesLevel2ToLevel1TransfersAmount_E0B8500974879CB05204B03DD959F946" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_3C20934FF3C7B0763740B03DD9AF909A_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_3C20934FF3C7B0763740B03DD9AF909A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventories </link:label>
<link:label id="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_3C20934FF3C7B0763740B03DD9AF909A_label_en-US" xlink:label="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_3C20934FF3C7B0763740B03DD9AF909A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Inventory, Current [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_3C20934FF3C7B0763740B03DD9AF909A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_3C20934FF3C7B0763740B03DD9AF909A" xlink:to="lab_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_3C20934FF3C7B0763740B03DD9AF909A" xlink:type="arc"/>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_CDAF6FF96A98F958A12FB03DD9AFD076_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_CDAF6FF96A98F958A12FB03DD9AFD076" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_CDAF6FF96A98F958A12FB03DD9AFD076_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_CDAF6FF96A98F958A12FB03DD9AFD076" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table Text Block] </link:label>
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<link:label id="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_A08276B805EF9132A840B03DD9AF6F7F_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_A08276B805EF9132A840B03DD9AF6F7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Product Warranty Liability </link:label>
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<link:label id="lab_us-gaap_DebtSecuritiesMember_D7081CD1CA7588805A0CBF319E600950_terseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesMember_D7081CD1CA7588805A0CBF319E600950" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Securities </link:label>
<link:label id="lab_us-gaap_DebtSecuritiesMember_D7081CD1CA7588805A0CBF319E600950_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesMember_D7081CD1CA7588805A0CBF319E600950" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Securities [Member] </link:label>
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<link:label id="lab_us-gaap_OtherAssetsMember_C12705ADD14FB66FF098BF319E61D4D6_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsMember_C12705ADD14FB66FF098BF319E61D4D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Other Assets </link:label>
<link:label id="lab_us-gaap_OtherAssetsMember_C12705ADD14FB66FF098BF319E61D4D6_label_en-US" xlink:label="lab_us-gaap_OtherAssetsMember_C12705ADD14FB66FF098BF319E61D4D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Assets [Member] </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage_16ABD681D6255CFC86E4BF319E6394DF_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage_16ABD681D6255CFC86E4BF319E6394DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Target asset allocation for securities </link:label>
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<link:label id="lab_wdc_DefinedBenefitPlanEstimatedAnnualBenefitsPaymentPeriod_8459617B4523C5967F68BF319E63D043_terseLabel_en-US" xlink:label="lab_wdc_DefinedBenefitPlanEstimatedAnnualBenefitsPaymentPeriod_8459617B4523C5967F68BF319E63D043" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined benefit pension plan, estimated expenditure (years) </link:label>
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<link:label id="lab_us-gaap_TreasuryStockMember_CA183655FA90DD7DF29EBAA37E90BFB5_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_CA183655FA90DD7DF29EBAA37E90BFB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Treasury Stock </link:label>
<link:label id="lab_us-gaap_TreasuryStockMember_CA183655FA90DD7DF29EBAA37E90BFB5_label_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_CA183655FA90DD7DF29EBAA37E90BFB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock [Member] </link:label>
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<link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_FE599C847C3CA1CADB36BAA37E90843F_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_FE599C847C3CA1CADB36BAA37E90843F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Additional Paid-In Capital </link:label>
<link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_FE599C847C3CA1CADB36BAA37E90843F_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_FE599C847C3CA1CADB36BAA37E90843F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Additional Paid-in Capital [Member] </link:label>
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<link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_79246B350B1F57D4EDEABAA37E90B2BB_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_79246B350B1F57D4EDEABAA37E90B2BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_79246B350B1F57D4EDEABAA37E90B2BB" xlink:type="locator"/>
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<link:label id="lab_us-gaap_StatementLineItems_A619EAC51F8C0D0B31F5BAA37E919EEA_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_A619EAC51F8C0D0B31F5BAA37E919EEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Statement [Line Items] </link:label>
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<link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35F6809BE2FCA2B6F67BBAA37E91242B_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35F6809BE2FCA2B6F67BBAA37E91242B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Stockholders' Equity [Roll Forward] </link:label>
<link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35F6809BE2FCA2B6F67BBAA37E91242B_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35F6809BE2FCA2B6F67BBAA37E91242B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Increase (Decrease) in Stockholders' Equity [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_35F6809BE2FCA2B6F67BBAA37E91242B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_SharesIssued_CA4F0088FF9EC5ECA7BBBAA37E917893_periodStartLabel_en-US" xlink:label="lab_us-gaap_SharesIssued_CA4F0088FF9EC5ECA7BBBAA37E917893" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Beginning balance (in shares) </link:label>
<link:label id="lab_us-gaap_SharesIssued_CA4F0088FF9EC5ECA7BBBAA37E917893_label_en-US" xlink:label="lab_us-gaap_SharesIssued_CA4F0088FF9EC5ECA7BBBAA37E917893" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Shares, Issued </link:label>
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<link:label id="lab_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_7980D760D247FC28BBCABAA37E9210A7_terseLabel_en-US" xlink:label="lab_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_7980D760D247FC28BBCABAA37E9210A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adoption of new accounting standards </link:label>
<link:label id="lab_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_7980D760D247FC28BBCABAA37E9210A7_label_en-US" xlink:label="lab_us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption_7980D760D247FC28BBCABAA37E9210A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cumulative Effect of New Accounting Principle in Period of Adoption </link:label>
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<link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_C8685EEBA0AC298577A3BAA37E926733_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_C8685EEBA0AC298577A3BAA37E926733" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock-based compensation </link:label>
<link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_C8685EEBA0AC298577A3BAA37E926733_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_C8685EEBA0AC298577A3BAA37E926733" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> APIC, Share-based Payment Arrangement, Increase for Cost Recognition </link:label>
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<link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_EC6388EB756C9DE34CFABAA37E923CE5_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_EC6388EB756C9DE34CFABAA37E923CE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Increase in excess tax benefits from employee stock plans </link:label>
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<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_EC6388EB756C9DE34CFABAA37E923CE5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt_8D76341DD9FCB8DB522CBAA37E93A878_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt_8D76341DD9FCB8DB522CBAA37E93A878" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity value of convertible debt issuance, net of deferred taxes </link:label>
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<link:label id="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_3DC929D0B96400FB7396BAA37E93EA5A_negatedLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_3DC929D0B96400FB7396BAA37E93EA5A" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Repurchases of common stock </link:label>
<link:label id="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_3DC929D0B96400FB7396BAA37E93EA5A_label_en-US" xlink:label="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_3DC929D0B96400FB7396BAA37E93EA5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock, Value, Acquired, Cost Method </link:label>
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<link:label id="lab_wdc_DividendsDeclared_010EA012356F4C5BF3B5BAA37E93BD2A_negatedLabel_en-US" xlink:label="lab_wdc_DividendsDeclared_010EA012356F4C5BF3B5BAA37E93BD2A" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US"> Dividends to shareholders </link:label>
<link:label id="lab_wdc_DividendsDeclared_010EA012356F4C5BF3B5BAA37E93BD2A_label_en-US" xlink:label="lab_wdc_DividendsDeclared_010EA012356F4C5BF3B5BAA37E93BD2A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends Declared </link:label>
<link:label id="lab_wdc_DividendsDeclared_010EA012356F4C5BF3B5BAA37E93BD2A_documentation_en-US" xlink:label="lab_wdc_DividendsDeclared_010EA012356F4C5BF3B5BAA37E93BD2A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Equity impact of dividends declared by an entity during the period. This element includes paid and unpaid dividends declared during the period. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_DividendsDeclared" xlink:label="loc_wdc_DividendsDeclared_010EA012356F4C5BF3B5BAA37E93BD2A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_DividendsDeclared_010EA012356F4C5BF3B5BAA37E93BD2A" xlink:to="lab_wdc_DividendsDeclared_010EA012356F4C5BF3B5BAA37E93BD2A" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_55EF4E14A4153A157406BAA37E9434D5_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_55EF4E14A4153A157406BAA37E9434D5" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Actuarial pension gain </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_55EF4E14A4153A157406BAA37E9434D5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_55EF4E14A4153A157406BAA37E9434D5" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_55EF4E14A4153A157406BAA37E9434D5" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_985D9F8494E8B490C6B4BAA37E947B1F_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_985D9F8494E8B490C6B4BAA37E947B1F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency translation adjustment </link:label>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_985D9F8494E8B490C6B4BAA37E947B1F_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_985D9F8494E8B490C6B4BAA37E947B1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_985D9F8494E8B490C6B4BAA37E947B1F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_985D9F8494E8B490C6B4BAA37E947B1F" xlink:to="lab_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_985D9F8494E8B490C6B4BAA37E947B1F" xlink:type="arc"/>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_A3A0AD0ADA465410C840BACAC636B5E6_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_A3A0AD0ADA465410C840BACAC636B5E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net unrealized loss on derivative contracts </link:label>
<link:label id="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_A3A0AD0ADA465410C840BACAC636B5E6_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_A3A0AD0ADA465410C840BACAC636B5E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_A3A0AD0ADA465410C840BACAC636B5E6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_A3A0AD0ADA465410C840BACAC636B5E6" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_A3A0AD0ADA465410C840BACAC636B5E6" xlink:type="arc"/>
<link:label id="lab_wdc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetofTax_38F47F3AA22FFECA76CEBACA565297DB_terseLabel_en-US" xlink:label="lab_wdc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetofTax_38F47F3AA22FFECA76CEBACA565297DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net unrealized loss on derivative contracts and available-for-sale securities </link:label>
<link:label id="lab_wdc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetofTax_38F47F3AA22FFECA76CEBACA565297DB_label_en-US" xlink:label="lab_wdc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetofTax_38F47F3AA22FFECA76CEBACA565297DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income Unrealized Gain (Loss) On Derivatives Arising During Period And Available-For-Sale Securities Adjustment Before Reclassification Adjustments, Net of Tax </link:label>
<link:label id="lab_wdc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetofTax_38F47F3AA22FFECA76CEBACA565297DB_documentation_en-US" xlink:label="lab_wdc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetofTax_38F47F3AA22FFECA76CEBACA565297DB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Other Comprehensive Income Unrealized Gain (Loss) On Derivatives Arising During Period And Available-For-Sale Securities Adjustment Before Reclassification Adjustments, Net of Tax </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetofTax" xlink:label="loc_wdc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetofTax_38F47F3AA22FFECA76CEBACA565297DB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetofTax_38F47F3AA22FFECA76CEBACA565297DB" xlink:to="lab_wdc_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetofTax_38F47F3AA22FFECA76CEBACA565297DB" xlink:type="arc"/>
<link:label id="lab_us-gaap_SharesIssued_2213C9731DC94C928E92BAA37E94414B_periodEndLabel_en-US" xlink:label="lab_us-gaap_SharesIssued_2213C9731DC94C928E92BAA37E94414B" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Ending balance (in shares) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_us-gaap_SharesIssued_2213C9731DC94C928E92BAA37E94414B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesIssued_2213C9731DC94C928E92BAA37E94414B" xlink:to="lab_us-gaap_SharesIssued_2213C9731DC94C928E92BAA37E94414B" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_9316927BDB496E8A2D7BBF33960716AF_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_9316927BDB496E8A2D7BBF33960716AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Revenue by Major Customers, by Reporting Segments [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_9316927BDB496E8A2D7BBF33960716AF_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_9316927BDB496E8A2D7BBF33960716AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Revenue by Major Customers, by Reporting Segments [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable" xlink:label="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_9316927BDB496E8A2D7BBF33960716AF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_9316927BDB496E8A2D7BBF33960716AF" xlink:to="lab_us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable_9316927BDB496E8A2D7BBF33960716AF" xlink:type="arc"/>
<link:label id="lab_wdc_FormFactorAxis_8514D052A9155A5344E7BF339607382F_terseLabel_en-US" xlink:label="lab_wdc_FormFactorAxis_8514D052A9155A5344E7BF339607382F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Form Factor [Axis] </link:label>
<link:label id="lab_wdc_FormFactorAxis_8514D052A9155A5344E7BF339607382F_label_en-US" xlink:label="lab_wdc_FormFactorAxis_8514D052A9155A5344E7BF339607382F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Form Factor [Axis] </link:label>
<link:label id="lab_wdc_FormFactorAxis_8514D052A9155A5344E7BF339607382F_documentation_en-US" xlink:label="lab_wdc_FormFactorAxis_8514D052A9155A5344E7BF339607382F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Form Factor [Axis] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_FormFactorAxis" xlink:label="loc_wdc_FormFactorAxis_8514D052A9155A5344E7BF339607382F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_FormFactorAxis_8514D052A9155A5344E7BF339607382F" xlink:to="lab_wdc_FormFactorAxis_8514D052A9155A5344E7BF339607382F" xlink:type="arc"/>
<link:label id="lab_wdc_FormFactorDomain_C7F983A9DB5C42BEA1AFBF3396081554_terseLabel_en-US" xlink:label="lab_wdc_FormFactorDomain_C7F983A9DB5C42BEA1AFBF3396081554" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Form Factor [Domain] </link:label>
<link:label id="lab_wdc_FormFactorDomain_C7F983A9DB5C42BEA1AFBF3396081554_label_en-US" xlink:label="lab_wdc_FormFactorDomain_C7F983A9DB5C42BEA1AFBF3396081554" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Form Factor [Domain] </link:label>
<link:label id="lab_wdc_FormFactorDomain_C7F983A9DB5C42BEA1AFBF3396081554_documentation_en-US" xlink:label="lab_wdc_FormFactorDomain_C7F983A9DB5C42BEA1AFBF3396081554" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Domain] for Form Factor [Axis] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_FormFactorDomain" xlink:label="loc_wdc_FormFactorDomain_C7F983A9DB5C42BEA1AFBF3396081554" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_FormFactorDomain_C7F983A9DB5C42BEA1AFBF3396081554" xlink:to="lab_wdc_FormFactorDomain_C7F983A9DB5C42BEA1AFBF3396081554" xlink:type="arc"/>
<link:label id="lab_wdc_HDDMember_A7020DFF3AAE064C7D7ABF33960812D2_terseLabel_en-US" xlink:label="lab_wdc_HDDMember_A7020DFF3AAE064C7D7ABF33960812D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> HDD </link:label>
<link:label id="lab_wdc_HDDMember_A7020DFF3AAE064C7D7ABF33960812D2_label_en-US" xlink:label="lab_wdc_HDDMember_A7020DFF3AAE064C7D7ABF33960812D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> HDD [Member] </link:label>
<link:label id="lab_wdc_HDDMember_A7020DFF3AAE064C7D7ABF33960812D2_documentation_en-US" xlink:label="lab_wdc_HDDMember_A7020DFF3AAE064C7D7ABF33960812D2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> HDD [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_HDDMember" xlink:label="loc_wdc_HDDMember_A7020DFF3AAE064C7D7ABF33960812D2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_HDDMember_A7020DFF3AAE064C7D7ABF33960812D2" xlink:to="lab_wdc_HDDMember_A7020DFF3AAE064C7D7ABF33960812D2" xlink:type="arc"/>
<link:label id="lab_wdc_FlashbasedMember_DE74F62A3293A9E53369BF339608EC69_terseLabel_en-US" xlink:label="lab_wdc_FlashbasedMember_DE74F62A3293A9E53369BF339608EC69" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Flash-based </link:label>
<link:label id="lab_wdc_FlashbasedMember_DE74F62A3293A9E53369BF339608EC69_label_en-US" xlink:label="lab_wdc_FlashbasedMember_DE74F62A3293A9E53369BF339608EC69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Flash-based [Member] </link:label>
<link:label id="lab_wdc_FlashbasedMember_DE74F62A3293A9E53369BF339608EC69_documentation_en-US" xlink:label="lab_wdc_FlashbasedMember_DE74F62A3293A9E53369BF339608EC69" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Flash-based [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_FlashbasedMember" xlink:label="loc_wdc_FlashbasedMember_DE74F62A3293A9E53369BF339608EC69" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_FlashbasedMember_DE74F62A3293A9E53369BF339608EC69" xlink:to="lab_wdc_FlashbasedMember_DE74F62A3293A9E53369BF339608EC69" xlink:type="arc"/>
<link:label id="lab_srt_ProductOrServiceAxis_678861CD4B3457F797F5BF3396086755_terseLabel_en-US" xlink:label="lab_srt_ProductOrServiceAxis_678861CD4B3457F797F5BF3396086755" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product and Service [Axis] </link:label>
<link:label id="lab_srt_ProductOrServiceAxis_678861CD4B3457F797F5BF3396086755_label_en-US" xlink:label="lab_srt_ProductOrServiceAxis_678861CD4B3457F797F5BF3396086755" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product and Service [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_678861CD4B3457F797F5BF3396086755" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductOrServiceAxis_678861CD4B3457F797F5BF3396086755" xlink:to="lab_srt_ProductOrServiceAxis_678861CD4B3457F797F5BF3396086755" xlink:type="arc"/>
<link:label id="lab_srt_ProductsAndServicesDomain_8E0C828873008FA860F7BF3396092DBA_terseLabel_en-US" xlink:label="lab_srt_ProductsAndServicesDomain_8E0C828873008FA860F7BF3396092DBA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product and Service [Domain] </link:label>
<link:label id="lab_srt_ProductsAndServicesDomain_8E0C828873008FA860F7BF3396092DBA_label_en-US" xlink:label="lab_srt_ProductsAndServicesDomain_8E0C828873008FA860F7BF3396092DBA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Product and Service [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_8E0C828873008FA860F7BF3396092DBA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductsAndServicesDomain_8E0C828873008FA860F7BF3396092DBA" xlink:to="lab_srt_ProductsAndServicesDomain_8E0C828873008FA860F7BF3396092DBA" xlink:type="arc"/>
<link:label id="lab_wdc_ClientDevicesMember_342D41B874EBA9985DBABF339609D2C7_terseLabel_en-US" xlink:label="lab_wdc_ClientDevicesMember_342D41B874EBA9985DBABF339609D2C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Client Devices </link:label>
<link:label id="lab_wdc_ClientDevicesMember_342D41B874EBA9985DBABF339609D2C7_label_en-US" xlink:label="lab_wdc_ClientDevicesMember_342D41B874EBA9985DBABF339609D2C7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Client Devices [Member] </link:label>
<link:label id="lab_wdc_ClientDevicesMember_342D41B874EBA9985DBABF339609D2C7_documentation_en-US" xlink:label="lab_wdc_ClientDevicesMember_342D41B874EBA9985DBABF339609D2C7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Client Devices [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_ClientDevicesMember" xlink:label="loc_wdc_ClientDevicesMember_342D41B874EBA9985DBABF339609D2C7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ClientDevicesMember_342D41B874EBA9985DBABF339609D2C7" xlink:to="lab_wdc_ClientDevicesMember_342D41B874EBA9985DBABF339609D2C7" xlink:type="arc"/>
<link:label id="lab_wdc_DataCenterDevicesSolutionsMember_FC1A93FDB7189D85639ABF3396091AAD_terseLabel_en-US" xlink:label="lab_wdc_DataCenterDevicesSolutionsMember_FC1A93FDB7189D85639ABF3396091AAD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Data Center Devices & Solutions </link:label>
<link:label id="lab_wdc_DataCenterDevicesSolutionsMember_FC1A93FDB7189D85639ABF3396091AAD_label_en-US" xlink:label="lab_wdc_DataCenterDevicesSolutionsMember_FC1A93FDB7189D85639ABF3396091AAD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Data Center Devices & Solutions [Member] </link:label>
<link:label id="lab_wdc_DataCenterDevicesSolutionsMember_FC1A93FDB7189D85639ABF3396091AAD_documentation_en-US" xlink:label="lab_wdc_DataCenterDevicesSolutionsMember_FC1A93FDB7189D85639ABF3396091AAD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Data Center Devices & Solutions [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_DataCenterDevicesSolutionsMember" xlink:label="loc_wdc_DataCenterDevicesSolutionsMember_FC1A93FDB7189D85639ABF3396091AAD" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_DataCenterDevicesSolutionsMember_FC1A93FDB7189D85639ABF3396091AAD" xlink:to="lab_wdc_DataCenterDevicesSolutionsMember_FC1A93FDB7189D85639ABF3396091AAD" xlink:type="arc"/>
<link:label id="lab_wdc_ClientSolutionsMember_54C566590ACD7D94E74DBF3396090600_terseLabel_en-US" xlink:label="lab_wdc_ClientSolutionsMember_54C566590ACD7D94E74DBF3396090600" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Client Solutions </link:label>
<link:label id="lab_wdc_ClientSolutionsMember_54C566590ACD7D94E74DBF3396090600_label_en-US" xlink:label="lab_wdc_ClientSolutionsMember_54C566590ACD7D94E74DBF3396090600" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Client Solutions [Member] </link:label>
<link:label id="lab_wdc_ClientSolutionsMember_54C566590ACD7D94E74DBF3396090600_documentation_en-US" xlink:label="lab_wdc_ClientSolutionsMember_54C566590ACD7D94E74DBF3396090600" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Client Solutions [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_ClientSolutionsMember" xlink:label="loc_wdc_ClientSolutionsMember_54C566590ACD7D94E74DBF3396090600" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ClientSolutionsMember_54C566590ACD7D94E74DBF3396090600" xlink:to="lab_wdc_ClientSolutionsMember_54C566590ACD7D94E74DBF3396090600" xlink:type="arc"/>
<link:label id="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_8B07AFA176D8D4721936BF33960AA11F_terseLabel_en-US" xlink:label="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_8B07AFA176D8D4721936BF33960AA11F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Major Customer [Line Items] </link:label>
<link:label id="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_8B07AFA176D8D4721936BF33960AA11F_label_en-US" xlink:label="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_8B07AFA176D8D4721936BF33960AA11F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Major Customer [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EntityWideRevenueMajorCustomerLineItems" xlink:label="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_8B07AFA176D8D4721936BF33960AA11F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EntityWideRevenueMajorCustomerLineItems_8B07AFA176D8D4721936BF33960AA11F" xlink:to="lab_us-gaap_EntityWideRevenueMajorCustomerLineItems_8B07AFA176D8D4721936BF33960AA11F" xlink:type="arc"/>
<link:label id="lab_us-gaap_DividendsPayableTable_4E53E83D3CF5F4E837B0BF33EEFD0E61_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsPayableTable_4E53E83D3CF5F4E837B0BF33EEFD0E61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends Payable [Table] </link:label>
<link:label id="lab_us-gaap_DividendsPayableTable_4E53E83D3CF5F4E837B0BF33EEFD0E61_label_en-US" xlink:label="lab_us-gaap_DividendsPayableTable_4E53E83D3CF5F4E837B0BF33EEFD0E61" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends Payable [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsPayableTable" xlink:label="loc_us-gaap_DividendsPayableTable_4E53E83D3CF5F4E837B0BF33EEFD0E61" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPayableTable_4E53E83D3CF5F4E837B0BF33EEFD0E61" xlink:to="lab_us-gaap_DividendsPayableTable_4E53E83D3CF5F4E837B0BF33EEFD0E61" xlink:type="arc"/>
<link:label id="lab_us-gaap_DividendsPayableLineItems_5E8D447F09B63B5B56EEBF33EEFFC1ED_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsPayableLineItems_5E8D447F09B63B5B56EEBF33EEFFC1ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends Payable [Line Items] </link:label>
<link:label id="lab_us-gaap_DividendsPayableLineItems_5E8D447F09B63B5B56EEBF33EEFFC1ED_label_en-US" xlink:label="lab_us-gaap_DividendsPayableLineItems_5E8D447F09B63B5B56EEBF33EEFFC1ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dividends Payable [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsPayableLineItems" xlink:label="loc_us-gaap_DividendsPayableLineItems_5E8D447F09B63B5B56EEBF33EEFFC1ED" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPayableLineItems_5E8D447F09B63B5B56EEBF33EEFFC1ED" xlink:to="lab_us-gaap_DividendsPayableLineItems_5E8D447F09B63B5B56EEBF33EEFFC1ED" xlink:type="arc"/>
<link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_8D2D1D1921CEFB3DFD39BF33EEFF34C6_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_8D2D1D1921CEFB3DFD39BF33EEFF34C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payment of common stock dividends </link:label>
<link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_8D2D1D1921CEFB3DFD39BF33EEFF34C6_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock_8D2D1D1921CEFB3DFD39BF33EEFF34C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payments of Ordinary Dividends, Common Stock </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_8D2D1D1921CEFB3DFD39BF33EEFF34C6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividendsCommonStock_8D2D1D1921CEFB3DFD39BF33EEFF34C6" xlink:to="lab_us-gaap_PaymentsOfDividendsCommonStock_8D2D1D1921CEFB3DFD39BF33EEFF34C6" xlink:type="arc"/>
<link:label id="lab_wdc_DividendsDeclared_42987EF7B37F255B478DBF3B16EF884E_terseLabel_en-US" xlink:label="lab_wdc_DividendsDeclared_42987EF7B37F255B478DBF3B16EF884E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dividends declared </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_DividendsDeclared" xlink:label="loc_wdc_DividendsDeclared_42987EF7B37F255B478DBF3B16EF884E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_DividendsDeclared_42987EF7B37F255B478DBF3B16EF884E" xlink:to="lab_wdc_DividendsDeclared_42987EF7B37F255B478DBF3B16EF884E" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_052EA4C00C460E656339BFF765533424_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_052EA4C00C460E656339BFF765533424" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table] </link:label>
<link:label id="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_052EA4C00C460E656339BFF765533424_label_en-US" xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_052EA4C00C460E656339BFF765533424" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_052EA4C00C460E656339BFF765533424" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_052EA4C00C460E656339BFF765533424" xlink:to="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_052EA4C00C460E656339BFF765533424" xlink:type="arc"/>
<link:label id="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_402D75DD747F0541746EBFF76554390E_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_402D75DD747F0541746EBFF76554390E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Adjustments for New Accounting Pronouncements [Axis] </link:label>
<link:label id="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_402D75DD747F0541746EBFF76554390E_label_en-US" xlink:label="lab_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_402D75DD747F0541746EBFF76554390E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Adjustments for New Accounting Pronouncements [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_402D75DD747F0541746EBFF76554390E" xlink:type="locator"/>
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<link:label id="lab_us-gaap_TypeOfAdoptionMember_C6D3FD1D39424C38528BBFF765548CD0_terseLabel_en-US" xlink:label="lab_us-gaap_TypeOfAdoptionMember_C6D3FD1D39424C38528BBFF765548CD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Type of Adoption [Domain] </link:label>
<link:label id="lab_us-gaap_TypeOfAdoptionMember_C6D3FD1D39424C38528BBFF765548CD0_label_en-US" xlink:label="lab_us-gaap_TypeOfAdoptionMember_C6D3FD1D39424C38528BBFF765548CD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Type of Adoption [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_us-gaap_TypeOfAdoptionMember_C6D3FD1D39424C38528BBFF765548CD0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TypeOfAdoptionMember_C6D3FD1D39424C38528BBFF765548CD0" xlink:to="lab_us-gaap_TypeOfAdoptionMember_C6D3FD1D39424C38528BBFF765548CD0" xlink:type="arc"/>
<link:label id="lab_us-gaap_AccountingStandardsUpdate201409Member_D4B50BF06A2C95AD8A76BFF765559AE3_terseLabel_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201409Member_D4B50BF06A2C95AD8A76BFF765559AE3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2014-09 </link:label>
<link:label id="lab_us-gaap_AccountingStandardsUpdate201409Member_D4B50BF06A2C95AD8A76BFF765559AE3_label_en-US" xlink:label="lab_us-gaap_AccountingStandardsUpdate201409Member_D4B50BF06A2C95AD8A76BFF765559AE3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounting Standards Update 2014-09 [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201409Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201409Member_D4B50BF06A2C95AD8A76BFF765559AE3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_BuildingMember_82A1BC06C83F3687F88DBFF765562E84_terseLabel_en-US" xlink:label="lab_us-gaap_BuildingMember_82A1BC06C83F3687F88DBFF765562E84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Buildings </link:label>
<link:label id="lab_us-gaap_BuildingMember_82A1BC06C83F3687F88DBFF765562E84_label_en-US" xlink:label="lab_us-gaap_BuildingMember_82A1BC06C83F3687F88DBFF765562E84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Building [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BuildingMember" xlink:label="loc_us-gaap_BuildingMember_82A1BC06C83F3687F88DBFF765562E84" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_561D588EEAC15DBAA9D8BFF76557C3D6_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_561D588EEAC15DBAA9D8BFF76557C3D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Line Items] </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_561D588EEAC15DBAA9D8BFF76557C3D6_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_561D588EEAC15DBAA9D8BFF76557C3D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_561D588EEAC15DBAA9D8BFF76557C3D6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_8AD6D9C657DE56C80FB9BFF76557C17D_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_8AD6D9C657DE56C80FB9BFF76557C17D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Property, plant and equipment, useful life </link:label>
<link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_8AD6D9C657DE56C80FB9BFF76557C17D_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_8AD6D9C657DE56C80FB9BFF76557C17D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Property, Plant and Equipment, Useful Life </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_8AD6D9C657DE56C80FB9BFF76557C17D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GoodwillImpairmentLoss_E9DA8997F0E2198241AABFF765576CC3_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillImpairmentLoss_E9DA8997F0E2198241AABFF765576CC3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill impairment </link:label>
<link:label id="lab_us-gaap_GoodwillImpairmentLoss_E9DA8997F0E2198241AABFF765576CC3_label_en-US" xlink:label="lab_us-gaap_GoodwillImpairmentLoss_E9DA8997F0E2198241AABFF765576CC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Impairment Loss </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_E9DA8997F0E2198241AABFF765576CC3" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ContractWithCustomerLiability_1E8495025E5613739D2DBFF76558C721_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiability_1E8495025E5613739D2DBFF76558C721" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract with customer, liability </link:label>
<link:label id="lab_us-gaap_ContractWithCustomerLiability_1E8495025E5613739D2DBFF76558C721_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiability_1E8495025E5613739D2DBFF76558C721" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract with Customer, Liability </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerLiability" xlink:label="loc_us-gaap_ContractWithCustomerLiability_1E8495025E5613739D2DBFF76558C721" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_BBB471BCB2E20E044B6CBFF76558568E_terseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_BBB471BCB2E20E044B6CBFF76558568E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Contract with customer, liability, revenue recognized </link:label>
<link:label id="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_BBB471BCB2E20E044B6CBFF76558568E_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_BBB471BCB2E20E044B6CBFF76558568E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Contract with Customer, Liability, Revenue Recognized </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_BBB471BCB2E20E044B6CBFF76558568E" xlink:type="locator"/>
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<link:label id="lab_wdc_StandardProductWarrantyTimePeriod_2796B3083A45C224CE82BFFB558682C4_terseLabel_en-US" xlink:label="lab_wdc_StandardProductWarrantyTimePeriod_2796B3083A45C224CE82BFFB558682C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Product warranty duration </link:label>
<link:label id="lab_wdc_StandardProductWarrantyTimePeriod_2796B3083A45C224CE82BFFB558682C4_label_en-US" xlink:label="lab_wdc_StandardProductWarrantyTimePeriod_2796B3083A45C224CE82BFFB558682C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Standard Product Warranty, Time Period </link:label>
<link:label id="lab_wdc_StandardProductWarrantyTimePeriod_2796B3083A45C224CE82BFFB558682C4_documentation_en-US" xlink:label="lab_wdc_StandardProductWarrantyTimePeriod_2796B3083A45C224CE82BFFB558682C4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Standard Product Warranty, Time Period </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_StandardProductWarrantyTimePeriod" xlink:label="loc_wdc_StandardProductWarrantyTimePeriod_2796B3083A45C224CE82BFFB558682C4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_StandardProductWarrantyTimePeriod_2796B3083A45C224CE82BFFB558682C4" xlink:to="lab_wdc_StandardProductWarrantyTimePeriod_2796B3083A45C224CE82BFFB558682C4" xlink:type="arc"/>
<link:label id="lab_wdc_SelectProductWarrantyTimePeriod_E6DFC7A01F973562A019C00F6DA0778C_terseLabel_en-US" xlink:label="lab_wdc_SelectProductWarrantyTimePeriod_E6DFC7A01F973562A019C00F6DA0778C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Select products warranty duration </link:label>
<link:label id="lab_wdc_SelectProductWarrantyTimePeriod_E6DFC7A01F973562A019C00F6DA0778C_label_en-US" xlink:label="lab_wdc_SelectProductWarrantyTimePeriod_E6DFC7A01F973562A019C00F6DA0778C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Select Product Warranty, Time Period </link:label>
<link:label id="lab_wdc_SelectProductWarrantyTimePeriod_E6DFC7A01F973562A019C00F6DA0778C_documentation_en-US" xlink:label="lab_wdc_SelectProductWarrantyTimePeriod_E6DFC7A01F973562A019C00F6DA0778C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Select Product Warranty, Time Period </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_SelectProductWarrantyTimePeriod" xlink:label="loc_wdc_SelectProductWarrantyTimePeriod_E6DFC7A01F973562A019C00F6DA0778C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_SelectProductWarrantyTimePeriod_E6DFC7A01F973562A019C00F6DA0778C" xlink:to="lab_wdc_SelectProductWarrantyTimePeriod_E6DFC7A01F973562A019C00F6DA0778C" xlink:type="arc"/>
<link:label id="lab_us-gaap_AdvertisingExpense_43C1A1962994E63C8ECEBFF765585B90_terseLabel_en-US" xlink:label="lab_us-gaap_AdvertisingExpense_43C1A1962994E63C8ECEBFF765585B90" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Advertising expense </link:label>
<link:label id="lab_us-gaap_AdvertisingExpense_43C1A1962994E63C8ECEBFF765585B90_label_en-US" xlink:label="lab_us-gaap_AdvertisingExpense_43C1A1962994E63C8ECEBFF765585B90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Advertising Expense </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdvertisingExpense" xlink:label="loc_us-gaap_AdvertisingExpense_43C1A1962994E63C8ECEBFF765585B90" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdvertisingExpense_43C1A1962994E63C8ECEBFF765585B90" xlink:to="lab_us-gaap_AdvertisingExpense_43C1A1962994E63C8ECEBFF765585B90" xlink:type="arc"/>
<link:label id="lab_invest_DerivativeNotionalAmount_7DFC79C8F2F0739E5C58BFF7655807F7_terseLabel_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_7DFC79C8F2F0739E5C58BFF7655807F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Derivative, notional amount </link:label>
<link:label id="lab_invest_DerivativeNotionalAmount_7DFC79C8F2F0739E5C58BFF7655807F7_label_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_7DFC79C8F2F0739E5C58BFF7655807F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Derivative, Notional Amount </link:label>
<link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_7DFC79C8F2F0739E5C58BFF7655807F7" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_invest_DerivativeNotionalAmount_7DFC79C8F2F0739E5C58BFF7655807F7" xlink:to="lab_invest_DerivativeNotionalAmount_7DFC79C8F2F0739E5C58BFF7655807F7" xlink:type="arc"/>
<link:label id="lab_us-gaap_ClassOfTreasuryStockTable_D78177ED7C1306753796B03DD70B3F01_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfTreasuryStockTable_D78177ED7C1306753796B03DD70B3F01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Class of Treasury Stock [Table] </link:label>
<link:label id="lab_us-gaap_ClassOfTreasuryStockTable_D78177ED7C1306753796B03DD70B3F01_label_en-US" xlink:label="lab_us-gaap_ClassOfTreasuryStockTable_D78177ED7C1306753796B03DD70B3F01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Class of Treasury Stock [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfTreasuryStockTable" xlink:label="loc_us-gaap_ClassOfTreasuryStockTable_D78177ED7C1306753796B03DD70B3F01" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfTreasuryStockTable_D78177ED7C1306753796B03DD70B3F01" xlink:to="lab_us-gaap_ClassOfTreasuryStockTable_D78177ED7C1306753796B03DD70B3F01" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareRepurchaseProgramAxis_113C7A0C16215A7634ECB03DD70CDA92_terseLabel_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramAxis_113C7A0C16215A7634ECB03DD70CDA92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program [Axis] </link:label>
<link:label id="lab_us-gaap_ShareRepurchaseProgramAxis_113C7A0C16215A7634ECB03DD70CDA92_label_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramAxis_113C7A0C16215A7634ECB03DD70CDA92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_113C7A0C16215A7634ECB03DD70CDA92" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_113C7A0C16215A7634ECB03DD70CDA92" xlink:to="lab_us-gaap_ShareRepurchaseProgramAxis_113C7A0C16215A7634ECB03DD70CDA92" xlink:type="arc"/>
<link:label id="lab_us-gaap_ShareRepurchaseProgramDomain_D59AE781A60EF6A979B4B03DD70CD75F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramDomain_D59AE781A60EF6A979B4B03DD70CD75F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program [Domain] </link:label>
<link:label id="lab_us-gaap_ShareRepurchaseProgramDomain_D59AE781A60EF6A979B4B03DD70CD75F_label_en-US" xlink:label="lab_us-gaap_ShareRepurchaseProgramDomain_D59AE781A60EF6A979B4B03DD70CD75F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_D59AE781A60EF6A979B4B03DD70CD75F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_D59AE781A60EF6A979B4B03DD70CD75F" xlink:to="lab_us-gaap_ShareRepurchaseProgramDomain_D59AE781A60EF6A979B4B03DD70CD75F" xlink:type="arc"/>
<link:label id="lab_wdc_StockRepurchaseProgramEffectiveUntilFebruary32020Member_3EA5555FBD8265D245E7B03DD70CB34C_terseLabel_en-US" xlink:label="lab_wdc_StockRepurchaseProgramEffectiveUntilFebruary32020Member_3EA5555FBD8265D245E7B03DD70CB34C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program Effective Until February 3, 2020 </link:label>
<link:label id="lab_wdc_StockRepurchaseProgramEffectiveUntilFebruary32020Member_3EA5555FBD8265D245E7B03DD70CB34C_label_en-US" xlink:label="lab_wdc_StockRepurchaseProgramEffectiveUntilFebruary32020Member_3EA5555FBD8265D245E7B03DD70CB34C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program Effective Until February 3 2020 [Member] </link:label>
<link:label id="lab_wdc_StockRepurchaseProgramEffectiveUntilFebruary32020Member_3EA5555FBD8265D245E7B03DD70CB34C_documentation_en-US" xlink:label="lab_wdc_StockRepurchaseProgramEffectiveUntilFebruary32020Member_3EA5555FBD8265D245E7B03DD70CB34C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program Effective Until February 3 2020 [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_StockRepurchaseProgramEffectiveUntilFebruary32020Member" xlink:label="loc_wdc_StockRepurchaseProgramEffectiveUntilFebruary32020Member_3EA5555FBD8265D245E7B03DD70CB34C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_StockRepurchaseProgramEffectiveUntilFebruary32020Member_3EA5555FBD8265D245E7B03DD70CB34C" xlink:to="lab_wdc_StockRepurchaseProgramEffectiveUntilFebruary32020Member_3EA5555FBD8265D245E7B03DD70CB34C" xlink:type="arc"/>
<link:label id="lab_wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member_E1DBE1E64EC68570F541B03DD70DD821_terseLabel_en-US" xlink:label="lab_wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member_E1DBE1E64EC68570F541B03DD70DD821" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program Effective Until July 25, 2023 </link:label>
<link:label id="lab_wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member_E1DBE1E64EC68570F541B03DD70DD821_label_en-US" xlink:label="lab_wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member_E1DBE1E64EC68570F541B03DD70DD821" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program Effective Until July 25 2023 [Member] </link:label>
<link:label id="lab_wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member_E1DBE1E64EC68570F541B03DD70DD821_documentation_en-US" xlink:label="lab_wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member_E1DBE1E64EC68570F541B03DD70DD821" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program Effective Until July 25 2023 [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member" xlink:label="loc_wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member_E1DBE1E64EC68570F541B03DD70DD821" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member_E1DBE1E64EC68570F541B03DD70DD821" xlink:to="lab_wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member_E1DBE1E64EC68570F541B03DD70DD821" xlink:type="arc"/>
<link:label id="lab_wdc_ShareRepurchaseProgramMember_4E657A2E6341B52C7DB7B03DD70DDE58_terseLabel_en-US" xlink:label="lab_wdc_ShareRepurchaseProgramMember_4E657A2E6341B52C7DB7B03DD70DDE58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program </link:label>
<link:label id="lab_wdc_ShareRepurchaseProgramMember_4E657A2E6341B52C7DB7B03DD70DDE58_label_en-US" xlink:label="lab_wdc_ShareRepurchaseProgramMember_4E657A2E6341B52C7DB7B03DD70DDE58" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program [Member] </link:label>
<link:label id="lab_wdc_ShareRepurchaseProgramMember_4E657A2E6341B52C7DB7B03DD70DDE58_documentation_en-US" xlink:label="lab_wdc_ShareRepurchaseProgramMember_4E657A2E6341B52C7DB7B03DD70DDE58" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Share Repurchase Program [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_ShareRepurchaseProgramMember" xlink:label="loc_wdc_ShareRepurchaseProgramMember_4E657A2E6341B52C7DB7B03DD70DDE58" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_ShareRepurchaseProgramMember_4E657A2E6341B52C7DB7B03DD70DDE58" xlink:to="lab_wdc_ShareRepurchaseProgramMember_4E657A2E6341B52C7DB7B03DD70DDE58" xlink:type="arc"/>
<link:label id="lab_us-gaap_EquityClassOfTreasuryStockLineItems_86619B558B77B1C9E5E0B03DD70D0924_terseLabel_en-US" xlink:label="lab_us-gaap_EquityClassOfTreasuryStockLineItems_86619B558B77B1C9E5E0B03DD70D0924" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Equity, Class of Treasury Stock [Line Items] </link:label>
<link:label id="lab_us-gaap_EquityClassOfTreasuryStockLineItems_86619B558B77B1C9E5E0B03DD70D0924_label_en-US" xlink:label="lab_us-gaap_EquityClassOfTreasuryStockLineItems_86619B558B77B1C9E5E0B03DD70D0924" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Equity, Class of Treasury Stock [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityClassOfTreasuryStockLineItems" xlink:label="loc_us-gaap_EquityClassOfTreasuryStockLineItems_86619B558B77B1C9E5E0B03DD70D0924" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_86619B558B77B1C9E5E0B03DD70D0924" xlink:to="lab_us-gaap_EquityClassOfTreasuryStockLineItems_86619B558B77B1C9E5E0B03DD70D0924" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_7F76E561535CE6B8FCDDB03DD70DB7F6_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_7F76E561535CE6B8FCDDB03DD70DB7F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchase program, number of shares authorized to be repurchased </link:label>
<link:label id="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_7F76E561535CE6B8FCDDB03DD70DB7F6_label_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramAuthorizedAmount1_7F76E561535CE6B8FCDDB03DD70DB7F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program, Authorized Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_7F76E561535CE6B8FCDDB03DD70DB7F6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_TreasuryStockSharesAcquired_0AE929C20457589EB612B03DD70ED982_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockSharesAcquired_0AE929C20457589EB612B03DD70ED982" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Repurchases of stock, shares </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_0AE929C20457589EB612B03DD70ED982" xlink:type="locator"/>
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<link:label id="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_629D774A694F10BAA13CB03DD70E6496_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_629D774A694F10BAA13CB03DD70E6496" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Repurchases of stock, value </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_629D774A694F10BAA13CB03DD70E6496" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_629D774A694F10BAA13CB03DD70E6496" xlink:to="lab_us-gaap_TreasuryStockValueAcquiredCostMethod_629D774A694F10BAA13CB03DD70E6496" xlink:type="arc"/>
<link:label id="lab_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_72C93EFCEFB5A445DB49B03DD70E346F_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_72C93EFCEFB5A445DB49B03DD70E346F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock repurchase program, remaining authorized repurchase, amount </link:label>
<link:label id="lab_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_72C93EFCEFB5A445DB49B03DD70E346F_label_en-US" xlink:label="lab_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_72C93EFCEFB5A445DB49B03DD70E346F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Stock Repurchase Program, Remaining Authorized Repurchase Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_72C93EFCEFB5A445DB49B03DD70E346F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_72C93EFCEFB5A445DB49B03DD70E346F" xlink:to="lab_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_72C93EFCEFB5A445DB49B03DD70E346F" xlink:type="arc"/>
<link:label id="lab_us-gaap_GuaranteeObligationsByNatureAxis_DA91F9BCCAA6290C6741B03DD807F62E_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsByNatureAxis_DA91F9BCCAA6290C6741B03DD807F62E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Guarantor Obligations, Nature [Axis] </link:label>
<link:label id="lab_us-gaap_GuaranteeObligationsByNatureAxis_DA91F9BCCAA6290C6741B03DD807F62E_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsByNatureAxis_DA91F9BCCAA6290C6741B03DD807F62E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantor Obligations, Nature [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_DA91F9BCCAA6290C6741B03DD807F62E" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_DA91F9BCCAA6290C6741B03DD807F62E" xlink:to="lab_us-gaap_GuaranteeObligationsByNatureAxis_DA91F9BCCAA6290C6741B03DD807F62E" xlink:type="arc"/>
<link:label id="lab_us-gaap_GuaranteeObligationsNatureDomain_5389BF36027598ACAA80B03DD807B77A_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsNatureDomain_5389BF36027598ACAA80B03DD807B77A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Guarantor Obligations, Nature [Domain] </link:label>
<link:label id="lab_us-gaap_GuaranteeObligationsNatureDomain_5389BF36027598ACAA80B03DD807B77A_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsNatureDomain_5389BF36027598ACAA80B03DD807B77A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantor Obligations, Nature [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_5389BF36027598ACAA80B03DD807B77A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_5389BF36027598ACAA80B03DD807B77A" xlink:to="lab_us-gaap_GuaranteeObligationsNatureDomain_5389BF36027598ACAA80B03DD807B77A" xlink:type="arc"/>
<link:label id="lab_wdc_PaymentOfPrincipalAmortizationMember_35FA1D8510FBE1A20992B03DD808DEE9_terseLabel_en-US" xlink:label="lab_wdc_PaymentOfPrincipalAmortizationMember_35FA1D8510FBE1A20992B03DD808DEE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Payment of Principal Amortization </link:label>
<link:label id="lab_wdc_PaymentOfPrincipalAmortizationMember_35FA1D8510FBE1A20992B03DD808DEE9_label_en-US" xlink:label="lab_wdc_PaymentOfPrincipalAmortizationMember_35FA1D8510FBE1A20992B03DD808DEE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Payment of Principal Amortization [Member] </link:label>
<link:label id="lab_wdc_PaymentOfPrincipalAmortizationMember_35FA1D8510FBE1A20992B03DD808DEE9_documentation_en-US" xlink:label="lab_wdc_PaymentOfPrincipalAmortizationMember_35FA1D8510FBE1A20992B03DD808DEE9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Payment of principal amortization. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_PaymentOfPrincipalAmortizationMember" xlink:label="loc_wdc_PaymentOfPrincipalAmortizationMember_35FA1D8510FBE1A20992B03DD808DEE9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_PaymentOfPrincipalAmortizationMember_35FA1D8510FBE1A20992B03DD808DEE9" xlink:to="lab_wdc_PaymentOfPrincipalAmortizationMember_35FA1D8510FBE1A20992B03DD808DEE9" xlink:type="arc"/>
<link:label id="lab_wdc_PurchaseOptionExercisePriceMember_5F74CEB0E00A5144C982B03DD8083DB1_terseLabel_en-US" xlink:label="lab_wdc_PurchaseOptionExercisePriceMember_5F74CEB0E00A5144C982B03DD8083DB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Purchase Option Exercise Price at Final Lease Terms </link:label>
<link:label id="lab_wdc_PurchaseOptionExercisePriceMember_5F74CEB0E00A5144C982B03DD8083DB1_label_en-US" xlink:label="lab_wdc_PurchaseOptionExercisePriceMember_5F74CEB0E00A5144C982B03DD8083DB1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Purchase Option Exercise Price [Member] </link:label>
<link:label id="lab_wdc_PurchaseOptionExercisePriceMember_5F74CEB0E00A5144C982B03DD8083DB1_documentation_en-US" xlink:label="lab_wdc_PurchaseOptionExercisePriceMember_5F74CEB0E00A5144C982B03DD8083DB1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Purchase Option Exercise Price at Final Lease Terms. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_PurchaseOptionExercisePriceMember" xlink:label="loc_wdc_PurchaseOptionExercisePriceMember_5F74CEB0E00A5144C982B03DD8083DB1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_PurchaseOptionExercisePriceMember_5F74CEB0E00A5144C982B03DD8083DB1" xlink:to="lab_wdc_PurchaseOptionExercisePriceMember_5F74CEB0E00A5144C982B03DD8083DB1" xlink:type="arc"/>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_557EFA1538ACC3F25615B03DD809C5BB_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_557EFA1538ACC3F25615B03DD809C5BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_557EFA1538ACC3F25615B03DD809C5BB_label_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_557EFA1538ACC3F25615B03DD809C5BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantee Obligations Maximum Exposure Year One </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_557EFA1538ACC3F25615B03DD809C5BB_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_557EFA1538ACC3F25615B03DD809C5BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the first year after the balance sheet date. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_GuaranteeObligationsMaximumExposureYearOne" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureYearOne_557EFA1538ACC3F25615B03DD809C5BB" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_GuaranteeObligationsMaximumExposureYearOne_557EFA1538ACC3F25615B03DD809C5BB" xlink:to="lab_wdc_GuaranteeObligationsMaximumExposureYearOne_557EFA1538ACC3F25615B03DD809C5BB" xlink:type="arc"/>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_09CA9D2C781DADA6F322B03DD8097E11_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_09CA9D2C781DADA6F322B03DD8097E11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2020 </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_09CA9D2C781DADA6F322B03DD8097E11_label_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_09CA9D2C781DADA6F322B03DD8097E11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantee Obligations Maximum Exposure Year Two </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_09CA9D2C781DADA6F322B03DD8097E11_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_09CA9D2C781DADA6F322B03DD8097E11" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the second year after the balance sheet date. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_GuaranteeObligationsMaximumExposureYearTwo" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureYearTwo_09CA9D2C781DADA6F322B03DD8097E11" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_GuaranteeObligationsMaximumExposureYearTwo_09CA9D2C781DADA6F322B03DD8097E11" xlink:to="lab_wdc_GuaranteeObligationsMaximumExposureYearTwo_09CA9D2C781DADA6F322B03DD8097E11" xlink:type="arc"/>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_742AC7C92A93803316B0B03DD8091035_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_742AC7C92A93803316B0B03DD8091035" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2021 </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_742AC7C92A93803316B0B03DD8091035_label_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_742AC7C92A93803316B0B03DD8091035" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantee Obligations Maximum Exposure Year Three </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_742AC7C92A93803316B0B03DD8091035_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_742AC7C92A93803316B0B03DD8091035" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the third year after the balance sheet date. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_GuaranteeObligationsMaximumExposureYearThree" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureYearThree_742AC7C92A93803316B0B03DD8091035" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_GuaranteeObligationsMaximumExposureYearThree_742AC7C92A93803316B0B03DD8091035" xlink:to="lab_wdc_GuaranteeObligationsMaximumExposureYearThree_742AC7C92A93803316B0B03DD8091035" xlink:type="arc"/>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_49F1B51EF3966B2B2923B03DD8099245_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_49F1B51EF3966B2B2923B03DD8099245" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2022 </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_49F1B51EF3966B2B2923B03DD8099245_label_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_49F1B51EF3966B2B2923B03DD8099245" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantee Obligations Maximum Exposure Year Four </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_49F1B51EF3966B2B2923B03DD8099245_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_49F1B51EF3966B2B2923B03DD8099245" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the fourth year after the balance sheet date. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_GuaranteeObligationsMaximumExposureYearFour" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureYearFour_49F1B51EF3966B2B2923B03DD8099245" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_GuaranteeObligationsMaximumExposureYearFour_49F1B51EF3966B2B2923B03DD8099245" xlink:to="lab_wdc_GuaranteeObligationsMaximumExposureYearFour_49F1B51EF3966B2B2923B03DD8099245" xlink:type="arc"/>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_F297AF6069FA9640856BB03DD809DB77_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_F297AF6069FA9640856BB03DD809DB77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> 2023 </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_F297AF6069FA9640856BB03DD809DB77_label_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_F297AF6069FA9640856BB03DD809DB77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantee Obligations Maximum Exposure Year Five </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_F297AF6069FA9640856BB03DD809DB77_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_F297AF6069FA9640856BB03DD809DB77" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the fifth year after the balance sheet date. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_GuaranteeObligationsMaximumExposureYearFive" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureYearFive_F297AF6069FA9640856BB03DD809DB77" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_GuaranteeObligationsMaximumExposureYearFive_F297AF6069FA9640856BB03DD809DB77" xlink:to="lab_wdc_GuaranteeObligationsMaximumExposureYearFive_F297AF6069FA9640856BB03DD809DB77" xlink:type="arc"/>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureThereafter_EEDEF811A4660C11A3B6B03DD80AD4A7_terseLabel_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureThereafter_EEDEF811A4660C11A3B6B03DD80AD4A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thereafter </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureThereafter_EEDEF811A4660C11A3B6B03DD80AD4A7_label_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureThereafter_EEDEF811A4660C11A3B6B03DD80AD4A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Guarantee Obligations Maximum Exposure Thereafter </link:label>
<link:label id="lab_wdc_GuaranteeObligationsMaximumExposureThereafter_EEDEF811A4660C11A3B6B03DD80AD4A7_documentation_en-US" xlink:label="lab_wdc_GuaranteeObligationsMaximumExposureThereafter_EEDEF811A4660C11A3B6B03DD80AD4A7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Guarantee Obligations Maximum Exposure Thereafter </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_GuaranteeObligationsMaximumExposureThereafter" xlink:label="loc_wdc_GuaranteeObligationsMaximumExposureThereafter_EEDEF811A4660C11A3B6B03DD80AD4A7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GuaranteeObligationsMaximumExposure_F576CBE92FCF779E880EB03DD80AE67D_totalLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsMaximumExposure_F576CBE92FCF779E880EB03DD80AE67D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total guarantee obligations </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_F576CBE92FCF779E880EB03DD80AE67D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_37B6C96921CCEFC3D953BF33EEDDDB78_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_37B6C96921CCEFC3D953BF33EEDDDB78" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Foreign </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_37B6C96921CCEFC3D953BF33EEDDDB78_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_37B6C96921CCEFC3D953BF33EEDDDB78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Income Taxes, Foreign </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_37B6C96921CCEFC3D953BF33EEDDDB78" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_1745F7D1E20E60C0CA65BF33EEDED8A0_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_1745F7D1E20E60C0CA65BF33EEDED8A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Domestic </link:label>
<link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_1745F7D1E20E60C0CA65BF33EEDED8A0_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_1745F7D1E20E60C0CA65BF33EEDED8A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income (Loss) from Continuing Operations before Income Taxes, Domestic </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_1745F7D1E20E60C0CA65BF33EEDED8A0" xlink:type="locator"/>
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<link:label id="lab_srt_CondensedCashFlowStatementTable_6A58D533109B1759A214BFFC97B5123F_terseLabel_en-US" xlink:label="lab_srt_CondensedCashFlowStatementTable_6A58D533109B1759A214BFFC97B5123F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Cash Flow Statement [Table] </link:label>
<link:label id="lab_srt_CondensedCashFlowStatementTable_6A58D533109B1759A214BFFC97B5123F_label_en-US" xlink:label="lab_srt_CondensedCashFlowStatementTable_6A58D533109B1759A214BFFC97B5123F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Cash Flow Statement [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedCashFlowStatementTable" xlink:label="loc_srt_CondensedCashFlowStatementTable_6A58D533109B1759A214BFFC97B5123F" xlink:type="locator"/>
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<link:label id="lab_srt_CondensedCashFlowStatementsCaptionsLineItems_789DCA6E2A677B689DEDBFFC97B7F020_terseLabel_en-US" xlink:label="lab_srt_CondensedCashFlowStatementsCaptionsLineItems_789DCA6E2A677B689DEDBFFC97B7F020" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Condensed Cash Flow Statements, Captions [Line Items] </link:label>
<link:label id="lab_srt_CondensedCashFlowStatementsCaptionsLineItems_789DCA6E2A677B689DEDBFFC97B7F020_label_en-US" xlink:label="lab_srt_CondensedCashFlowStatementsCaptionsLineItems_789DCA6E2A677B689DEDBFFC97B7F020" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Condensed Cash Flow Statements, Captions [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_CondensedCashFlowStatementsCaptionsLineItems" xlink:label="loc_srt_CondensedCashFlowStatementsCaptionsLineItems_789DCA6E2A677B689DEDBFFC97B7F020" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0D2CEB79E04DA3B5004DBFFC97B7C1E8_terseLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0D2CEB79E04DA3B5004DBFFC97B7C1E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_0D2CEB79E04DA3B5004DBFFC97B7C1E8" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4498B2CBB851703BD41CBFFC97B88906_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_4498B2CBB851703BD41CBFFC97B88906" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net cash provided by (used in) operating activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_4498B2CBB851703BD41CBFFC97B88906" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_849DE84300C3DD2FE898BFFC97B8E041_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_849DE84300C3DD2FE898BFFC97B8E041" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Purchases of property, plant and equipment </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_849DE84300C3DD2FE898BFFC97B8E041" xlink:type="locator"/>
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<link:label id="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_9540EE8CD6F1077D49A2BFFC97BAFE5F_terseLabel_en-US" xlink:label="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_9540EE8CD6F1077D49A2BFFC97BAFE5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Intercompany loan from (to) consolidated affiliates </link:label>
<link:label id="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_9540EE8CD6F1077D49A2BFFC97BAFE5F_label_en-US" xlink:label="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_9540EE8CD6F1077D49A2BFFC97BAFE5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Intercompany loans to (from) consolidated subsidiaries </link:label>
<link:label id="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_9540EE8CD6F1077D49A2BFFC97BAFE5F_documentation_en-US" xlink:label="lab_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_9540EE8CD6F1077D49A2BFFC97BAFE5F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Intercompany to (from) parent entity to wholly owned consolidated subsidiaries that are settled. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_Intercompanyloanstofromconsolidatedsubsidiaries" xlink:label="loc_wdc_Intercompanyloanstofromconsolidatedsubsidiaries_9540EE8CD6F1077D49A2BFFC97BAFE5F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_3EA12D2B8B40C89323BABFFC97BA2C00_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_3EA12D2B8B40C89323BABFFC97BA2C00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Advances from (to) parent and consolidated affiliates </link:label>
<link:label id="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_3EA12D2B8B40C89323BABFFC97BA2C00_label_en-US" xlink:label="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_3EA12D2B8B40C89323BABFFC97BA2C00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Investments in and Advances to Affiliates, at Fair Value, Gross Additions </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions" xlink:label="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesAtFairValueGrossAdditions_3EA12D2B8B40C89323BABFFC97BA2C00" xlink:type="locator"/>
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<link:label id="lab_wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans_87DA558192000B8A7C6BBFFC97BBC897_negatedTerseLabel_en-US" xlink:label="lab_wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans_87DA558192000B8A7C6BBFFC97BBC897" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Taxes paid on vested stock awards under employee stock plans </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans" xlink:label="loc_wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans_87DA558192000B8A7C6BBFFC97BBC897" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RepaymentsOfConvertibleDebt_41EBEA57DD92F76616F7BFFC97BBA8D5_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfConvertibleDebt_41EBEA57DD92F76616F7BFFC97BBA8D5" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Repayments of Convertible Debt </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfConvertibleDebt" xlink:label="loc_us-gaap_RepaymentsOfConvertibleDebt_41EBEA57DD92F76616F7BFFC97BBA8D5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_FF152F2B202F6B510A07BFFC97BC1DA2_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_FF152F2B202F6B510A07BFFC97BC1DA2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Repayment of revolving credit facility </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_FF152F2B202F6B510A07BFFC97BC1DA2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromContributionsFromParent_8E1B71523784FB11D930BFFC97BDFC42_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromContributionsFromParent_8E1B71523784FB11D930BFFC97BDFC42" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Intercompany loan to consolidated affiliates </link:label>
<link:label id="lab_us-gaap_ProceedsFromContributionsFromParent_8E1B71523784FB11D930BFFC97BDFC42_label_en-US" xlink:label="lab_us-gaap_ProceedsFromContributionsFromParent_8E1B71523784FB11D930BFFC97BDFC42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from Contributions from Parent </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromContributionsFromParent" xlink:label="loc_us-gaap_ProceedsFromContributionsFromParent_8E1B71523784FB11D930BFFC97BDFC42" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_400E88046E0809D99A08BFFC97BD31BD_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_400E88046E0809D99A08BFFC97BD31BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Change in investment in consolidated subsidiaries </link:label>
<link:label id="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_400E88046E0809D99A08BFFC97BD31BD_label_en-US" xlink:label="lab_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_400E88046E0809D99A08BFFC97BD31BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Proceeds from (Payments for) Other Financing Activities </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_400E88046E0809D99A08BFFC97BD31BD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2EE543AE1C02F9D18936BFFC97BD2904_terseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2EE543AE1C02F9D18936BFFC97BD2904" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effect of exchange rate changes on cash </link:label>
<link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2EE543AE1C02F9D18936BFFC97BD2904_label_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_2EE543AE1C02F9D18936BFFC97BD2904" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Effect of Exchange Rate on Cash and Cash Equivalents </link:label>
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<link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_097DC166B67550995687BFFC97BE90AF_totalLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_097DC166B67550995687BFFC97BE90AF" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Net increase (decrease) in cash and cash equivalents </link:label>
<link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_097DC166B67550995687BFFC97BE90AF_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_097DC166B67550995687BFFC97BE90AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Cash and Cash Equivalents, Period Increase (Decrease) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_097DC166B67550995687BFFC97BE90AF" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_85BDB0D280276B5113B8BFFC97BECEA3_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_85BDB0D280276B5113B8BFFC97BECEA3" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents, beginning of year </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_85BDB0D280276B5113B8BFFC97BECEA3" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_85BDB0D280276B5113B8BFFC97BECEA3" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_85BDB0D280276B5113B8BFFC97BECEA3" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_FDDEC30A63A091E64A63BFFC97BE5FBA_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_FDDEC30A63A091E64A63BFFC97BE5FBA" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Cash and cash equivalents, end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_FDDEC30A63A091E64A63BFFC97BE5FBA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_FDDEC30A63A091E64A63BFFC97BE5FBA" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_FDDEC30A63A091E64A63BFFC97BE5FBA" xlink:type="arc"/>
<link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_E24E16D3F333E9F16553BFFC97BE1B9C_terseLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_E24E16D3F333E9F16553BFFC97BE1B9C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net decrease in cash and cash equivalents </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_E24E16D3F333E9F16553BFFC97BE1B9C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_E24E16D3F333E9F16553BFFC97BE1B9C" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_E24E16D3F333E9F16553BFFC97BE1B9C" xlink:type="arc"/>
<link:label id="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_442D12CB57494402ADD5B03DD7752D62_terseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_442D12CB57494402ADD5B03DD7752D62" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Disclosure of Share-based Compensation Arrangements by Share-based Payment Award </link:label>
<link:label id="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_442D12CB57494402ADD5B03DD7752D62_label_en-US" xlink:label="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_442D12CB57494402ADD5B03DD7752D62" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" xlink:label="loc_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_442D12CB57494402ADD5B03DD7752D62" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_442D12CB57494402ADD5B03DD7752D62" xlink:to="lab_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock_442D12CB57494402ADD5B03DD7752D62" xlink:type="arc"/>
<link:label id="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock_44C7BFEC4EAE68DDAC6FB03DD7763047_terseLabel_en-US" xlink:label="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock_44C7BFEC4EAE68DDAC6FB03DD7763047" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation , Unrecognized Costs </link:label>
<link:label id="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock_44C7BFEC4EAE68DDAC6FB03DD7763047_label_en-US" xlink:label="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock_44C7BFEC4EAE68DDAC6FB03DD7763047" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation , Unrecognized Costs [Table Text Block] </link:label>
<link:label id="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock_44C7BFEC4EAE68DDAC6FB03DD7763047_documentation_en-US" xlink:label="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock_44C7BFEC4EAE68DDAC6FB03DD7763047" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation , Unrecognized Costs [Table Text Block] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock" xlink:label="loc_wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock_44C7BFEC4EAE68DDAC6FB03DD7763047" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock_44C7BFEC4EAE68DDAC6FB03DD7763047" xlink:to="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock_44C7BFEC4EAE68DDAC6FB03DD7763047" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_6E0CDCB91158748322CEB03DD7765815_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_6E0CDCB91158748322CEB03DD7765815" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Stock Option Activity </link:label>
<link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_6E0CDCB91158748322CEB03DD7765815_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_6E0CDCB91158748322CEB03DD7765815" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Option, Activity [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_6E0CDCB91158748322CEB03DD7765815" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_6E0CDCB91158748322CEB03DD7765815" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_6E0CDCB91158748322CEB03DD7765815" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_A85EB637FDB6464C9A5AB03DD7766EA1_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_A85EB637FDB6464C9A5AB03DD7766EA1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Restricted Stock Unit </link:label>
<link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_A85EB637FDB6464C9A5AB03DD7766EA1_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_A85EB637FDB6464C9A5AB03DD7766EA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_A85EB637FDB6464C9A5AB03DD7766EA1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_A85EB637FDB6464C9A5AB03DD7766EA1" xlink:to="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_A85EB637FDB6464C9A5AB03DD7766EA1" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_4C054DDF4750ECF44C5DB03DD7765644_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_4C054DDF4750ECF44C5DB03DD7765644" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions </link:label>
<link:label id="lab_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_4C054DDF4750ECF44C5DB03DD7765644_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_4C054DDF4750ECF44C5DB03DD7765644" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_4C054DDF4750ECF44C5DB03DD7765644" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_4C054DDF4750ECF44C5DB03DD7765644" xlink:to="lab_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_4C054DDF4750ECF44C5DB03DD7765644" xlink:type="arc"/>
<link:label id="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_B3815D5F81C43F845524B03DD776A1F6_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_B3815D5F81C43F845524B03DD776A1F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions </link:label>
<link:label id="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_B3815D5F81C43F845524B03DD776A1F6_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_B3815D5F81C43F845524B03DD776A1F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_B3815D5F81C43F845524B03DD776A1F6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_B3815D5F81C43F845524B03DD776A1F6" xlink:to="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_B3815D5F81C43F845524B03DD776A1F6" xlink:type="arc"/>
<link:label id="lab_wdc_SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock_EEB1E2A258C5F9D76CADB03DD7779559_terseLabel_en-US" xlink:label="lab_wdc_SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock_EEB1E2A258C5F9D76CADB03DD7779559" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares of Common Stock Reserved for Issuance Table </link:label>
<link:label id="lab_wdc_SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock_EEB1E2A258C5F9D76CADB03DD7779559_label_en-US" xlink:label="lab_wdc_SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock_EEB1E2A258C5F9D76CADB03DD7779559" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Summarized Table Of All Shares Of Common Stock Reserved For Issuance Table [Table Text Block] </link:label>
<link:label id="lab_wdc_SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock_EEB1E2A258C5F9D76CADB03DD7779559_documentation_en-US" xlink:label="lab_wdc_SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock_EEB1E2A258C5F9D76CADB03DD7779559" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Summarized table of all shares of common stock reserved for issuance. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock" xlink:label="loc_wdc_SummarizedTableOfAllSharesOfCommonStockReservedForIssuanceTableTableTextBlock_EEB1E2A258C5F9D76CADB03DD7779559" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_BADB3C11C698BD0A7FCEBEFCF55A713F_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_BADB3C11C698BD0A7FCEBEFCF55A713F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, par value (in dollars per share) </link:label>
<link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_BADB3C11C698BD0A7FCEBEFCF55A713F_label_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_BADB3C11C698BD0A7FCEBEFCF55A713F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Par or Stated Value Per Share </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_BADB3C11C698BD0A7FCEBEFCF55A713F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PreferredStockSharesAuthorized_A567E56ADBFB87B70075BEFCF55AA654_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_A567E56ADBFB87B70075BEFCF55AA654" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, authorized (in shares) </link:label>
<link:label id="lab_us-gaap_PreferredStockSharesAuthorized_A567E56ADBFB87B70075BEFCF55AA654_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_A567E56ADBFB87B70075BEFCF55AA654" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Authorized </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_A567E56ADBFB87B70075BEFCF55AA654" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PreferredStockSharesIssued_501F55C85053570A3C82BEFCF55A085A_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_501F55C85053570A3C82BEFCF55A085A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, issued (in shares) </link:label>
<link:label id="lab_us-gaap_PreferredStockSharesIssued_501F55C85053570A3C82BEFCF55A085A_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_501F55C85053570A3C82BEFCF55A085A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Issued </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_501F55C85053570A3C82BEFCF55A085A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_PreferredStockSharesOutstanding_43C5F2EEAA92D035961ABEFCF55B4554_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding_43C5F2EEAA92D035961ABEFCF55B4554" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Preferred stock, outstanding (in shares) </link:label>
<link:label id="lab_us-gaap_PreferredStockSharesOutstanding_43C5F2EEAA92D035961ABEFCF55B4554_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding_43C5F2EEAA92D035961ABEFCF55B4554" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Preferred Stock, Shares Outstanding </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_43C5F2EEAA92D035961ABEFCF55B4554" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_0BD46521B87F68D7BB1CBEFCF55B675E_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_0BD46521B87F68D7BB1CBEFCF55B675E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Common stock, par value (in dollars per share) </link:label>
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<link:label id="lab_us-gaap_CommonStockSharesAuthorized_455BF4F34FE4C5E25A0BBEFCF55B051B_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_455BF4F34FE4C5E25A0BBEFCF55B051B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares Authorized </link:label>
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<link:label id="lab_us-gaap_CommonStockSharesOutstanding_C30C46BE9F1984F93D86BEFCF55BFF64_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_C30C46BE9F1984F93D86BEFCF55BFF64" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Common Stock, Shares, Outstanding </link:label>
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<link:label id="lab_us-gaap_TreasuryStockShares_B6148C45447F6D639767BEFCF55B236A_terseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_B6148C45447F6D639767BEFCF55B236A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Treasury stock (in shares) </link:label>
<link:label id="lab_us-gaap_TreasuryStockShares_B6148C45447F6D639767BEFCF55B236A_label_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_B6148C45447F6D639767BEFCF55B236A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Treasury Stock, Shares </link:label>
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<link:label id="lab_us-gaap_EarningsPerShareTextBlock_7A5A71F0D071513BCBF8B03DD61E6A05_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_7A5A71F0D071513BCBF8B03DD61E6A05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Net Income (Loss) Per Common Share </link:label>
<link:label id="lab_us-gaap_EarningsPerShareTextBlock_7A5A71F0D071513BCBF8B03DD61E6A05_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareTextBlock_7A5A71F0D071513BCBF8B03DD61E6A05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Earnings Per Share [Text Block] </link:label>
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<link:label id="lab_us-gaap_LongtermDebtTypeAxis_6142AEB59F7F099216C2B03DD931ABB2_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_6142AEB59F7F099216C2B03DD931ABB2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Axis] </link:label>
<link:label id="lab_us-gaap_LongtermDebtTypeAxis_6142AEB59F7F099216C2B03DD931ABB2_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_6142AEB59F7F099216C2B03DD931ABB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Axis] </link:label>
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<link:label id="lab_us-gaap_LongtermDebtTypeDomain_75E17FBD063BC0372863B03DD932D9D4_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_75E17FBD063BC0372863B03DD932D9D4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Domain] </link:label>
<link:label id="lab_us-gaap_LongtermDebtTypeDomain_75E17FBD063BC0372863B03DD932D9D4_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_75E17FBD063BC0372863B03DD932D9D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-term Debt, Type [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_75E17FBD063BC0372863B03DD932D9D4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ConvertibleDebtMember_6288015A86412203CA10B03DD932600F_verboseLabel_en-US" xlink:label="lab_us-gaap_ConvertibleDebtMember_6288015A86412203CA10B03DD932600F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> Convertible Debt </link:label>
<link:label id="lab_us-gaap_ConvertibleDebtMember_6288015A86412203CA10B03DD932600F_label_en-US" xlink:label="lab_us-gaap_ConvertibleDebtMember_6288015A86412203CA10B03DD932600F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Convertible Debt [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConvertibleDebtMember" xlink:label="loc_us-gaap_ConvertibleDebtMember_6288015A86412203CA10B03DD932600F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_79C94A77397F5BBBC020B03DD9338882_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_79C94A77397F5BBBC020B03DD9338882" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revolving credit facility maturing 2023 </link:label>
<link:label id="lab_us-gaap_RevolvingCreditFacilityMember_79C94A77397F5BBBC020B03DD9338882_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_79C94A77397F5BBBC020B03DD9338882" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revolving Credit Facility [Member] </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentFaceAmount_5ED3D36C3C0F854C05A4B03DD93453DF_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_5ED3D36C3C0F854C05A4B03DD93453DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument, face amount </link:label>
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<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_620C06E5EA87EE2D69FFB03DD934C3B9_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_620C06E5EA87EE2D69FFB03DD934C3B9" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Issuance costs and debt discounts </link:label>
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<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_2D993A42926140F668EDB03DD91DF284" xlink:to="lab_us-gaap_DebtInstrumentRedemptionPeriodAxis_2D993A42926140F668EDB03DD91DF284" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain_59D19D47AA65DD5F65A1B03DD91D4511_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain_59D19D47AA65DD5F65A1B03DD91D4511" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Redemption, Period [Domain] </link:label>
<link:label id="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain_59D19D47AA65DD5F65A1B03DD91D4511_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain_59D19D47AA65DD5F65A1B03DD91D4511" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Redemption, Period [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_59D19D47AA65DD5F65A1B03DD91D4511" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_59D19D47AA65DD5F65A1B03DD91D4511" xlink:to="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain_59D19D47AA65DD5F65A1B03DD91D4511" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentRedemptionPeriodOneMember_357BECE886E28D6335C4B03DD91D9A49_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodOneMember_357BECE886E28D6335C4B03DD91D9A49" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Redemption, Period One </link:label>
<link:label id="lab_us-gaap_DebtInstrumentRedemptionPeriodOneMember_357BECE886E28D6335C4B03DD91D9A49_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodOneMember_357BECE886E28D6335C4B03DD91D9A49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Redemption, Period One [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodOneMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_357BECE886E28D6335C4B03DD91D9A49" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember_357BECE886E28D6335C4B03DD91D9A49" xlink:to="lab_us-gaap_DebtInstrumentRedemptionPeriodOneMember_357BECE886E28D6335C4B03DD91D9A49" xlink:type="arc"/>
<link:label id="lab_us-gaap_VariableRateAxis_9A16B061E052C0999F39B03DD91F5719_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateAxis_9A16B061E052C0999F39B03DD91F5719" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate [Axis] </link:label>
<link:label id="lab_us-gaap_VariableRateAxis_9A16B061E052C0999F39B03DD91F5719_label_en-US" xlink:label="lab_us-gaap_VariableRateAxis_9A16B061E052C0999F39B03DD91F5719" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_9A16B061E052C0999F39B03DD91F5719" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateAxis_9A16B061E052C0999F39B03DD91F5719" xlink:to="lab_us-gaap_VariableRateAxis_9A16B061E052C0999F39B03DD91F5719" xlink:type="arc"/>
<link:label id="lab_us-gaap_VariableRateDomain_E66BF9EB3D0331484890B03DD91F433C_terseLabel_en-US" xlink:label="lab_us-gaap_VariableRateDomain_E66BF9EB3D0331484890B03DD91F433C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Variable Rate [Domain] </link:label>
<link:label id="lab_us-gaap_VariableRateDomain_E66BF9EB3D0331484890B03DD91F433C_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain_E66BF9EB3D0331484890B03DD91F433C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Variable Rate [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_E66BF9EB3D0331484890B03DD91F433C" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableRateDomain_E66BF9EB3D0331484890B03DD91F433C" xlink:to="lab_us-gaap_VariableRateDomain_E66BF9EB3D0331484890B03DD91F433C" xlink:type="arc"/>
<link:label id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_34360596B2BA85018252B03DD91FF0A8_terseLabel_en-US" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_34360596B2BA85018252B03DD91FF0A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> London Interbank Offered Rate (LIBOR) </link:label>
<link:label id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_34360596B2BA85018252B03DD91FF0A8_label_en-US" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_34360596B2BA85018252B03DD91FF0A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> London Interbank Offered Rate (LIBOR) [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_34360596B2BA85018252B03DD91FF0A8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_34360596B2BA85018252B03DD91FF0A8" xlink:to="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_34360596B2BA85018252B03DD91FF0A8" xlink:type="arc"/>
<link:label id="lab_us-gaap_BaseRateMember_5E0A2C596E0CBFC3E079B03DD91FBA5B_terseLabel_en-US" xlink:label="lab_us-gaap_BaseRateMember_5E0A2C596E0CBFC3E079B03DD91FBA5B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Base Rate </link:label>
<link:label id="lab_us-gaap_BaseRateMember_5E0A2C596E0CBFC3E079B03DD91FBA5B_label_en-US" xlink:label="lab_us-gaap_BaseRateMember_5E0A2C596E0CBFC3E079B03DD91FBA5B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Base Rate [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BaseRateMember" xlink:label="loc_us-gaap_BaseRateMember_5E0A2C596E0CBFC3E079B03DD91FBA5B" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BaseRateMember_5E0A2C596E0CBFC3E079B03DD91FBA5B" xlink:to="lab_us-gaap_BaseRateMember_5E0A2C596E0CBFC3E079B03DD91FBA5B" xlink:type="arc"/>
<link:label id="lab_wdc_DebtCovenantPeriodAxis_71F671B14E5361403FC1B03DD92027F1_terseLabel_en-US" xlink:label="lab_wdc_DebtCovenantPeriodAxis_71F671B14E5361403FC1B03DD92027F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Covenant Period [Axis] </link:label>
<link:label id="lab_wdc_DebtCovenantPeriodAxis_71F671B14E5361403FC1B03DD92027F1_label_en-US" xlink:label="lab_wdc_DebtCovenantPeriodAxis_71F671B14E5361403FC1B03DD92027F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Covenant Period [Axis] </link:label>
<link:label id="lab_wdc_DebtCovenantPeriodAxis_71F671B14E5361403FC1B03DD92027F1_documentation_en-US" xlink:label="lab_wdc_DebtCovenantPeriodAxis_71F671B14E5361403FC1B03DD92027F1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Covenant Period [Axis] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_DebtCovenantPeriodAxis" xlink:label="loc_wdc_DebtCovenantPeriodAxis_71F671B14E5361403FC1B03DD92027F1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_DebtCovenantPeriodAxis_71F671B14E5361403FC1B03DD92027F1" xlink:to="lab_wdc_DebtCovenantPeriodAxis_71F671B14E5361403FC1B03DD92027F1" xlink:type="arc"/>
<link:label id="lab_wdc_DebtCovenantPeriodDomain_43E6B1480312B1E23681B03DD9202666_terseLabel_en-US" xlink:label="lab_wdc_DebtCovenantPeriodDomain_43E6B1480312B1E23681B03DD9202666" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt Covenant Period [Domain] </link:label>
<link:label id="lab_wdc_DebtCovenantPeriodDomain_43E6B1480312B1E23681B03DD9202666_label_en-US" xlink:label="lab_wdc_DebtCovenantPeriodDomain_43E6B1480312B1E23681B03DD9202666" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Covenant Period [Domain] </link:label>
<link:label id="lab_wdc_DebtCovenantPeriodDomain_43E6B1480312B1E23681B03DD9202666_documentation_en-US" xlink:label="lab_wdc_DebtCovenantPeriodDomain_43E6B1480312B1E23681B03DD9202666" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Domain] for Debt Covenant Period [Axis] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_DebtCovenantPeriodDomain" xlink:label="loc_wdc_DebtCovenantPeriodDomain_43E6B1480312B1E23681B03DD9202666" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_DebtCovenantPeriodDomain_43E6B1480312B1E23681B03DD9202666" xlink:to="lab_wdc_DebtCovenantPeriodDomain_43E6B1480312B1E23681B03DD9202666" xlink:type="arc"/>
<link:label id="lab_wdc_PeriodEndingOctober202020Member_7C4D174D99BC52A58615B03DD92037E6_terseLabel_en-US" xlink:label="lab_wdc_PeriodEndingOctober202020Member_7C4D174D99BC52A58615B03DD92037E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Period Ending October 20, 2020 </link:label>
<link:label id="lab_wdc_PeriodEndingOctober202020Member_7C4D174D99BC52A58615B03DD92037E6_label_en-US" xlink:label="lab_wdc_PeriodEndingOctober202020Member_7C4D174D99BC52A58615B03DD92037E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Period Ending October 20, 2020 [Member] </link:label>
<link:label id="lab_wdc_PeriodEndingOctober202020Member_7C4D174D99BC52A58615B03DD92037E6_documentation_en-US" xlink:label="lab_wdc_PeriodEndingOctober202020Member_7C4D174D99BC52A58615B03DD92037E6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Period Ending October 20, 2020 [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_PeriodEndingOctober202020Member" xlink:label="loc_wdc_PeriodEndingOctober202020Member_7C4D174D99BC52A58615B03DD92037E6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_PeriodEndingOctober202020Member_7C4D174D99BC52A58615B03DD92037E6" xlink:to="lab_wdc_PeriodEndingOctober202020Member_7C4D174D99BC52A58615B03DD92037E6" xlink:type="arc"/>
<link:label id="lab_wdc_PeriodEndingJuly22021Member_E5FABFE1664A1A00E50BB03DD920562F_terseLabel_en-US" xlink:label="lab_wdc_PeriodEndingJuly22021Member_E5FABFE1664A1A00E50BB03DD920562F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Period Ending July 2, 2021 </link:label>
<link:label id="lab_wdc_PeriodEndingJuly22021Member_E5FABFE1664A1A00E50BB03DD920562F_label_en-US" xlink:label="lab_wdc_PeriodEndingJuly22021Member_E5FABFE1664A1A00E50BB03DD920562F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Period Ending July 2, 2021 [Member] </link:label>
<link:label id="lab_wdc_PeriodEndingJuly22021Member_E5FABFE1664A1A00E50BB03DD920562F_documentation_en-US" xlink:label="lab_wdc_PeriodEndingJuly22021Member_E5FABFE1664A1A00E50BB03DD920562F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Period Ending July 2, 2021 [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_PeriodEndingJuly22021Member" xlink:label="loc_wdc_PeriodEndingJuly22021Member_E5FABFE1664A1A00E50BB03DD920562F" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_PeriodEndingJuly22021Member_E5FABFE1664A1A00E50BB03DD920562F" xlink:to="lab_wdc_PeriodEndingJuly22021Member_E5FABFE1664A1A00E50BB03DD920562F" xlink:type="arc"/>
<link:label id="lab_wdc_PeriodEndingDecember312021Member_4895F52422CDF19BE6A5B03DD9206F43_terseLabel_en-US" xlink:label="lab_wdc_PeriodEndingDecember312021Member_4895F52422CDF19BE6A5B03DD9206F43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Period ending December 31, 2021 </link:label>
<link:label id="lab_wdc_PeriodEndingDecember312021Member_4895F52422CDF19BE6A5B03DD9206F43_label_en-US" xlink:label="lab_wdc_PeriodEndingDecember312021Member_4895F52422CDF19BE6A5B03DD9206F43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Period Ending December 31, 2021 [Member] </link:label>
<link:label id="lab_wdc_PeriodEndingDecember312021Member_4895F52422CDF19BE6A5B03DD9206F43_documentation_en-US" xlink:label="lab_wdc_PeriodEndingDecember312021Member_4895F52422CDF19BE6A5B03DD9206F43" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Period Ending December 31, 2021 [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_PeriodEndingDecember312021Member" xlink:label="loc_wdc_PeriodEndingDecember312021Member_4895F52422CDF19BE6A5B03DD9206F43" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_PeriodEndingDecember312021Member_4895F52422CDF19BE6A5B03DD9206F43" xlink:to="lab_wdc_PeriodEndingDecember312021Member_4895F52422CDF19BE6A5B03DD9206F43" xlink:type="arc"/>
<link:label id="lab_wdc_PeriodEndingJuly12022Member_89C78635BE6A03E0D0C1B03DD921DAC5_terseLabel_en-US" xlink:label="lab_wdc_PeriodEndingJuly12022Member_89C78635BE6A03E0D0C1B03DD921DAC5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Period Ending July 1, 2022 </link:label>
<link:label id="lab_wdc_PeriodEndingJuly12022Member_89C78635BE6A03E0D0C1B03DD921DAC5_label_en-US" xlink:label="lab_wdc_PeriodEndingJuly12022Member_89C78635BE6A03E0D0C1B03DD921DAC5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Period Ending July 1, 2022 [Member] </link:label>
<link:label id="lab_wdc_PeriodEndingJuly12022Member_89C78635BE6A03E0D0C1B03DD921DAC5_documentation_en-US" xlink:label="lab_wdc_PeriodEndingJuly12022Member_89C78635BE6A03E0D0C1B03DD921DAC5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Period Ending July 1, 2022 [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_PeriodEndingJuly12022Member" xlink:label="loc_wdc_PeriodEndingJuly12022Member_89C78635BE6A03E0D0C1B03DD921DAC5" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_PeriodEndingJuly12022Member_89C78635BE6A03E0D0C1B03DD921DAC5" xlink:to="lab_wdc_PeriodEndingJuly12022Member_89C78635BE6A03E0D0C1B03DD921DAC5" xlink:type="arc"/>
<link:label id="lab_wdc_PeriodAfterJuly12022Member_2873EFD24636E2E4D78BB03DD921B023_terseLabel_en-US" xlink:label="lab_wdc_PeriodAfterJuly12022Member_2873EFD24636E2E4D78BB03DD921B023" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Period After July 1, 2022 </link:label>
<link:label id="lab_wdc_PeriodAfterJuly12022Member_2873EFD24636E2E4D78BB03DD921B023_label_en-US" xlink:label="lab_wdc_PeriodAfterJuly12022Member_2873EFD24636E2E4D78BB03DD921B023" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Period After July 1, 2022 [Member] </link:label>
<link:label id="lab_wdc_PeriodAfterJuly12022Member_2873EFD24636E2E4D78BB03DD921B023_documentation_en-US" xlink:label="lab_wdc_PeriodAfterJuly12022Member_2873EFD24636E2E4D78BB03DD921B023" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Period After July 1, 2022 [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_PeriodAfterJuly12022Member" xlink:label="loc_wdc_PeriodAfterJuly12022Member_2873EFD24636E2E4D78BB03DD921B023" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_PeriodAfterJuly12022Member_2873EFD24636E2E4D78BB03DD921B023" xlink:to="lab_wdc_PeriodAfterJuly12022Member_2873EFD24636E2E4D78BB03DD921B023" xlink:type="arc"/>
<link:label id="lab_us-gaap_CreditFacilityAxis_81D1B4FA6D5DCAE5F10FB03DD9219301_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_81D1B4FA6D5DCAE5F10FB03DD9219301" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit Facility [Axis] </link:label>
<link:label id="lab_us-gaap_CreditFacilityAxis_81D1B4FA6D5DCAE5F10FB03DD9219301_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_81D1B4FA6D5DCAE5F10FB03DD9219301" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_81D1B4FA6D5DCAE5F10FB03DD9219301" xlink:type="locator"/>
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<link:label id="lab_us-gaap_CreditFacilityDomain_D75391F9E103B674D845B03DD92169D2_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_D75391F9E103B674D845B03DD92169D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Credit Facility [Domain] </link:label>
<link:label id="lab_us-gaap_CreditFacilityDomain_D75391F9E103B674D845B03DD92169D2_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_D75391F9E103B674D845B03DD92169D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Credit Facility [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_D75391F9E103B674D845B03DD92169D2" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityDomain_D75391F9E103B674D845B03DD92169D2" xlink:to="lab_us-gaap_CreditFacilityDomain_D75391F9E103B674D845B03DD92169D2" xlink:type="arc"/>
<link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_48D9D16DF74F5D070A55B03DD9235312_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_48D9D16DF74F5D070A55B03DD9235312" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Remaining borrowing capacity </link:label>
<link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_48D9D16DF74F5D070A55B03DD9235312_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_48D9D16DF74F5D070A55B03DD9235312" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Line of Credit Facility, Remaining Borrowing Capacity </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_48D9D16DF74F5D070A55B03DD9235312" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_48D9D16DF74F5D070A55B03DD9235312" xlink:to="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_48D9D16DF74F5D070A55B03DD9235312" xlink:type="arc"/>
<link:label id="lab_wdc_DebtInstrumentBasisSpreadonVariableRateFloor_8A5C84FE524B036662B3B03DD9240463_terseLabel_en-US" xlink:label="lab_wdc_DebtInstrumentBasisSpreadonVariableRateFloor_8A5C84FE524B036662B3B03DD9240463" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basis spread on variable rate, floor </link:label>
<link:label id="lab_wdc_DebtInstrumentBasisSpreadonVariableRateFloor_8A5C84FE524B036662B3B03DD9240463_label_en-US" xlink:label="lab_wdc_DebtInstrumentBasisSpreadonVariableRateFloor_8A5C84FE524B036662B3B03DD9240463" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Basis Spread on Variable Rate, Floor </link:label>
<link:label id="lab_wdc_DebtInstrumentBasisSpreadonVariableRateFloor_8A5C84FE524B036662B3B03DD9240463_documentation_en-US" xlink:label="lab_wdc_DebtInstrumentBasisSpreadonVariableRateFloor_8A5C84FE524B036662B3B03DD9240463" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Basis Spread on Variable Rate, Floor </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_DebtInstrumentBasisSpreadonVariableRateFloor" xlink:label="loc_wdc_DebtInstrumentBasisSpreadonVariableRateFloor_8A5C84FE524B036662B3B03DD9240463" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_DebtInstrumentBasisSpreadonVariableRateFloor_8A5C84FE524B036662B3B03DD9240463" xlink:to="lab_wdc_DebtInstrumentBasisSpreadonVariableRateFloor_8A5C84FE524B036662B3B03DD9240463" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_960ADF24CD5B3CF4BDA8B03DD924B047_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_960ADF24CD5B3CF4BDA8B03DD924B047" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Basis spread on variable rate </link:label>
<link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_960ADF24CD5B3CF4BDA8B03DD924B047_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_960ADF24CD5B3CF4BDA8B03DD924B047" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Basis Spread on Variable Rate </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_960ADF24CD5B3CF4BDA8B03DD924B047" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_960ADF24CD5B3CF4BDA8B03DD924B047" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_960ADF24CD5B3CF4BDA8B03DD924B047" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_3175748D68E61CB918EDB03DD924EFF9_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_3175748D68E61CB918EDB03DD924EFF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Effective interest rate, percent </link:label>
<link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_3175748D68E61CB918EDB03DD924EFF9_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_3175748D68E61CB918EDB03DD924EFF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Interest Rate, Effective Percentage </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_3175748D68E61CB918EDB03DD924EFF9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_3175748D68E61CB918EDB03DD924EFF9" xlink:to="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_3175748D68E61CB918EDB03DD924EFF9" xlink:type="arc"/>
<link:label id="lab_wdc_DebtInstrumentRequiredQuarterlyPrincipalPaymentPercent_BA38DAC7126AC9E9FF37B03DD924EAD6_terseLabel_en-US" xlink:label="lab_wdc_DebtInstrumentRequiredQuarterlyPrincipalPaymentPercent_BA38DAC7126AC9E9FF37B03DD924EAD6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Quarterly principal payment, percent </link:label>
<link:label id="lab_wdc_DebtInstrumentRequiredQuarterlyPrincipalPaymentPercent_BA38DAC7126AC9E9FF37B03DD924EAD6_label_en-US" xlink:label="lab_wdc_DebtInstrumentRequiredQuarterlyPrincipalPaymentPercent_BA38DAC7126AC9E9FF37B03DD924EAD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Required Quarterly Principal Payment Percent </link:label>
<link:label id="lab_wdc_DebtInstrumentRequiredQuarterlyPrincipalPaymentPercent_BA38DAC7126AC9E9FF37B03DD924EAD6_documentation_en-US" xlink:label="lab_wdc_DebtInstrumentRequiredQuarterlyPrincipalPaymentPercent_BA38DAC7126AC9E9FF37B03DD924EAD6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> The required quarterly principal payment percentage on the principal amount of the debt </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_DebtInstrumentRequiredQuarterlyPrincipalPaymentPercent" xlink:label="loc_wdc_DebtInstrumentRequiredQuarterlyPrincipalPaymentPercent_BA38DAC7126AC9E9FF37B03DD924EAD6" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_DebtInstrumentRequiredQuarterlyPrincipalPaymentPercent_BA38DAC7126AC9E9FF37B03DD924EAD6" xlink:to="lab_wdc_DebtInstrumentRequiredQuarterlyPrincipalPaymentPercent_BA38DAC7126AC9E9FF37B03DD924EAD6" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredFinanceCostsNet_5E8ED2368C9909F42C9EB03DD9241987_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet_5E8ED2368C9909F42C9EB03DD9241987" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt issuance costs, net </link:label>
<link:label id="lab_us-gaap_DeferredFinanceCostsNet_5E8ED2368C9909F42C9EB03DD9241987_label_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet_5E8ED2368C9909F42C9EB03DD9241987" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Issuance Costs, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_5E8ED2368C9909F42C9EB03DD9241987" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredFinanceCostsNet_5E8ED2368C9909F42C9EB03DD9241987" xlink:to="lab_us-gaap_DeferredFinanceCostsNet_5E8ED2368C9909F42C9EB03DD9241987" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_0FC1CA9149B5CB678574B03DD92577A0_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_0FC1CA9149B5CB678574B03DD92577A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Conversion price (in dollars per share) </link:label>
<link:label id="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_0FC1CA9149B5CB678574B03DD92577A0_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_0FC1CA9149B5CB678574B03DD92577A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible, Conversion Price </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_0FC1CA9149B5CB678574B03DD92577A0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_0FC1CA9149B5CB678574B03DD92577A0" xlink:to="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1_0FC1CA9149B5CB678574B03DD92577A0" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentMeasurementInput_061DBDDC2845E73E81B1B03DD925C454_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentMeasurementInput_061DBDDC2845E73E81B1B03DD925C454" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt instrument. measurement input </link:label>
<link:label id="lab_us-gaap_DebtInstrumentMeasurementInput_061DBDDC2845E73E81B1B03DD925C454_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentMeasurementInput_061DBDDC2845E73E81B1B03DD925C454" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Measurement Input </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentMeasurementInput" xlink:label="loc_us-gaap_DebtInstrumentMeasurementInput_061DBDDC2845E73E81B1B03DD925C454" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentMeasurementInput_061DBDDC2845E73E81B1B03DD925C454" xlink:to="lab_us-gaap_DebtInstrumentMeasurementInput_061DBDDC2845E73E81B1B03DD925C454" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_1FD7EF524E9288C3248AB03DD92549C0_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_1FD7EF524E9288C3248AB03DD92549C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Convertible debt instrument, carrying amount of equity component </link:label>
<link:label id="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_1FD7EF524E9288C3248AB03DD92549C0_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_1FD7EF524E9288C3248AB03DD92549C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible, Carrying Amount of Equity Component </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:label="loc_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_1FD7EF524E9288C3248AB03DD92549C0" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_1FD7EF524E9288C3248AB03DD92549C0" xlink:to="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_1FD7EF524E9288C3248AB03DD92549C0" xlink:type="arc"/>
<link:label id="lab_us-gaap_DeferredFinanceCostsNoncurrentNet_BF598A1C86E0F2A0CA11B03DD925B4E9_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNoncurrentNet_BF598A1C86E0F2A0CA11B03DD925B4E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Debt issuance costs </link:label>
<link:label id="lab_us-gaap_DeferredFinanceCostsNoncurrentNet_BF598A1C86E0F2A0CA11B03DD925B4E9_label_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNoncurrentNet_BF598A1C86E0F2A0CA11B03DD925B4E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Issuance Costs, Noncurrent, Net </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredFinanceCostsNoncurrentNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_BF598A1C86E0F2A0CA11B03DD925B4E9" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredFinanceCostsNoncurrentNet_BF598A1C86E0F2A0CA11B03DD925B4E9" xlink:to="lab_us-gaap_DeferredFinanceCostsNoncurrentNet_BF598A1C86E0F2A0CA11B03DD925B4E9" xlink:type="arc"/>
<link:label id="lab_us-gaap_ExcessCapital_9BF16F9FEBABBFE46F06B03DD92553DF_terseLabel_en-US" xlink:label="lab_us-gaap_ExcessCapital_9BF16F9FEBABBFE46F06B03DD92553DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Excess capital </link:label>
<link:label id="lab_us-gaap_ExcessCapital_9BF16F9FEBABBFE46F06B03DD92553DF_label_en-US" xlink:label="lab_us-gaap_ExcessCapital_9BF16F9FEBABBFE46F06B03DD92553DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Excess Capital </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ExcessCapital" xlink:label="loc_us-gaap_ExcessCapital_9BF16F9FEBABBFE46F06B03DD92553DF" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExcessCapital_9BF16F9FEBABBFE46F06B03DD92553DF" xlink:to="lab_us-gaap_ExcessCapital_9BF16F9FEBABBFE46F06B03DD92553DF" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_FE7BB5EB34FF096A49EFB03DD9263D45_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_FE7BB5EB34FF096A49EFB03DD9263D45" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Issuance costs and debt discounts </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_FE7BB5EB34FF096A49EFB03DD9263D45" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_FE7BB5EB34FF096A49EFB03DD9263D45" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_FE7BB5EB34FF096A49EFB03DD9263D45" xlink:type="arc"/>
<link:label id="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1_0AD4C2A08156DD2B79FEB03DD9267571_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1_0AD4C2A08156DD2B79FEB03DD9267571" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Conversion ratio </link:label>
<link:label id="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1_0AD4C2A08156DD2B79FEB03DD9267571_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1_0AD4C2A08156DD2B79FEB03DD9267571" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Debt Instrument, Convertible, Conversion Ratio </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_0AD4C2A08156DD2B79FEB03DD9267571" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_0AD4C2A08156DD2B79FEB03DD9267571" xlink:to="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1_0AD4C2A08156DD2B79FEB03DD9267571" xlink:type="arc"/>
<link:label id="lab_us-gaap_ConversionOfStockSharesConverted1_262434FB971233021F5BB03DD9263F6F_terseLabel_en-US" xlink:label="lab_us-gaap_ConversionOfStockSharesConverted1_262434FB971233021F5BB03DD9263F6F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Shares converted (in shares) </link:label>
<link:label id="lab_us-gaap_ConversionOfStockSharesConverted1_262434FB971233021F5BB03DD9263F6F_label_en-US" xlink:label="lab_us-gaap_ConversionOfStockSharesConverted1_262434FB971233021F5BB03DD9263F6F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Conversion of Stock, Shares Converted </link:label>
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<link:label id="lab_wdc_DomesticTaxAuthorityPre2017ActGenerationMember_C6D8D2FDA87A9E63A599BF33EE9ADAA6_terseLabel_en-US" xlink:label="lab_wdc_DomesticTaxAuthorityPre2017ActGenerationMember_C6D8D2FDA87A9E63A599BF33EE9ADAA6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Federal NOL (Pre 2017 Act Generation) </link:label>
<link:label id="lab_wdc_DomesticTaxAuthorityPre2017ActGenerationMember_C6D8D2FDA87A9E63A599BF33EE9ADAA6_label_en-US" xlink:label="lab_wdc_DomesticTaxAuthorityPre2017ActGenerationMember_C6D8D2FDA87A9E63A599BF33EE9ADAA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Domestic Tax Authority (Pre 2017 Act Generation) [Member] </link:label>
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<link:loc xlink:href="wdc-20190628.xsd#wdc_DomesticTaxAuthorityPre2017ActGenerationMember" xlink:label="loc_wdc_DomesticTaxAuthorityPre2017ActGenerationMember_C6D8D2FDA87A9E63A599BF33EE9ADAA6" xlink:type="locator"/>
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<link:label id="lab_wdc_DomesticTaxAuthorityPost2017ActGenerationMember_7A051856DABDFF70511BBF33EE9AD9C2_terseLabel_en-US" xlink:label="lab_wdc_DomesticTaxAuthorityPost2017ActGenerationMember_7A051856DABDFF70511BBF33EE9AD9C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Federal NOL (Post 2017 Act Generation) </link:label>
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<link:label id="lab_wdc_DomesticTaxAuthorityPost2017ActGenerationMember_7A051856DABDFF70511BBF33EE9AD9C2_documentation_en-US" xlink:label="lab_wdc_DomesticTaxAuthorityPost2017ActGenerationMember_7A051856DABDFF70511BBF33EE9AD9C2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Domestic Tax Authority (Post 2017 Act Generation) [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_DomesticTaxAuthorityPost2017ActGenerationMember" xlink:label="loc_wdc_DomesticTaxAuthorityPost2017ActGenerationMember_7A051856DABDFF70511BBF33EE9AD9C2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NationalTaxAgencyJapanMember_0D9CA3E20F5C348A60C9BF33EE9B6252_terseLabel_en-US" xlink:label="lab_us-gaap_NationalTaxAgencyJapanMember_0D9CA3E20F5C348A60C9BF33EE9B6252" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Japan </link:label>
<link:label id="lab_us-gaap_NationalTaxAgencyJapanMember_0D9CA3E20F5C348A60C9BF33EE9B6252_label_en-US" xlink:label="lab_us-gaap_NationalTaxAgencyJapanMember_0D9CA3E20F5C348A60C9BF33EE9B6252" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> National Tax Agency, Japan [Member] </link:label>
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<link:label id="lab_us-gaap_AdministrationOfTheTreasuryBelgiumMember_D49FAEFE1E713DC3433BBF33EE9C4D6A_terseLabel_en-US" xlink:label="lab_us-gaap_AdministrationOfTheTreasuryBelgiumMember_D49FAEFE1E713DC3433BBF33EE9C4D6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Belgium </link:label>
<link:label id="lab_us-gaap_AdministrationOfTheTreasuryBelgiumMember_D49FAEFE1E713DC3433BBF33EE9C4D6A_label_en-US" xlink:label="lab_us-gaap_AdministrationOfTheTreasuryBelgiumMember_D49FAEFE1E713DC3433BBF33EE9C4D6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Administration of the Treasury, Belgium [Member] </link:label>
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<link:label id="lab_us-gaap_StateAdministrationOfTaxationChinaMember_0F3C55CF700565B4B051BF33EE9CDB43_terseLabel_en-US" xlink:label="lab_us-gaap_StateAdministrationOfTaxationChinaMember_0F3C55CF700565B4B051BF33EE9CDB43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> China </link:label>
<link:label id="lab_us-gaap_StateAdministrationOfTaxationChinaMember_0F3C55CF700565B4B051BF33EE9CDB43_label_en-US" xlink:label="lab_us-gaap_StateAdministrationOfTaxationChinaMember_0F3C55CF700565B4B051BF33EE9CDB43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> State Administration of Taxation, China [Member] </link:label>
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<link:label id="lab_us-gaap_TaxAuthoritySpainMember_08637B0516F26BBD33E2BF33EE9C0356_terseLabel_en-US" xlink:label="lab_us-gaap_TaxAuthoritySpainMember_08637B0516F26BBD33E2BF33EE9C0356" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Spain </link:label>
<link:label id="lab_us-gaap_TaxAuthoritySpainMember_08637B0516F26BBD33E2BF33EE9C0356_label_en-US" xlink:label="lab_us-gaap_TaxAuthoritySpainMember_08637B0516F26BBD33E2BF33EE9C0356" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Tax Authority, Spain [Member] </link:label>
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<link:label id="lab_us-gaap_OperatingLossCarryforwardsLineItems_AD5062140A2468DA2B30BF33EE9D5011_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLossCarryforwardsLineItems_AD5062140A2468DA2B30BF33EE9D5011" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Operating Loss Carryforwards [Line Items] </link:label>
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<link:label id="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_BC60784FEE33F2CA159ABF3396F1C784_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_BC60784FEE33F2CA159ABF3396F1C784" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration Risk Benchmark [Axis] </link:label>
<link:label id="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_BC60784FEE33F2CA159ABF3396F1C784_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_BC60784FEE33F2CA159ABF3396F1C784" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Benchmark [Axis] </link:label>
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<link:label id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_CD50F189BBE1459E241EBF3396F18714_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain_CD50F189BBE1459E241EBF3396F18714" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration Risk Benchmark [Domain] </link:label>
<link:label id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_CD50F189BBE1459E241EBF3396F18714_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain_CD50F189BBE1459E241EBF3396F18714" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk Benchmark [Domain] </link:label>
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<link:label id="lab_us-gaap_SalesRevenueNetMember_81D064E8AC1FCE18745FBF3396F11CE5_terseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueNetMember_81D064E8AC1FCE18745FBF3396F11CE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Sales Revenue, Net </link:label>
<link:label id="lab_us-gaap_SalesRevenueNetMember_81D064E8AC1FCE18745FBF3396F11CE5_label_en-US" xlink:label="lab_us-gaap_SalesRevenueNetMember_81D064E8AC1FCE18745FBF3396F11CE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue Benchmark [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:label="loc_us-gaap_SalesRevenueNetMember_81D064E8AC1FCE18745FBF3396F11CE5" xlink:type="locator"/>
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<link:label id="lab_us-gaap_AccountsReceivableMember_75359DCC38BE9F73A339BF3396F2D517_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableMember_75359DCC38BE9F73A339BF3396F2D517" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Accounts Receivable </link:label>
<link:label id="lab_us-gaap_AccountsReceivableMember_75359DCC38BE9F73A339BF3396F2D517_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableMember_75359DCC38BE9F73A339BF3396F2D517" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Accounts Receivable [Member] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:label="loc_us-gaap_AccountsReceivableMember_75359DCC38BE9F73A339BF3396F2D517" xlink:type="locator"/>
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<link:label id="lab_srt_MajorCustomersAxis_6CD8CF2AF3D39B9BE9F1BF3396F23D40_terseLabel_en-US" xlink:label="lab_srt_MajorCustomersAxis_6CD8CF2AF3D39B9BE9F1BF3396F23D40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer [Axis] </link:label>
<link:label id="lab_srt_MajorCustomersAxis_6CD8CF2AF3D39B9BE9F1BF3396F23D40_label_en-US" xlink:label="lab_srt_MajorCustomersAxis_6CD8CF2AF3D39B9BE9F1BF3396F23D40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MajorCustomersAxis" xlink:label="loc_srt_MajorCustomersAxis_6CD8CF2AF3D39B9BE9F1BF3396F23D40" xlink:type="locator"/>
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<link:label id="lab_srt_NameOfMajorCustomerDomain_732123019E7BDA0BADB0BF3396F2107D_terseLabel_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain_732123019E7BDA0BADB0BF3396F2107D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Customer [Domain] </link:label>
<link:label id="lab_srt_NameOfMajorCustomerDomain_732123019E7BDA0BADB0BF3396F2107D_label_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain_732123019E7BDA0BADB0BF3396F2107D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Customer [Domain] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_NameOfMajorCustomerDomain" xlink:label="loc_srt_NameOfMajorCustomerDomain_732123019E7BDA0BADB0BF3396F2107D" xlink:type="locator"/>
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<link:label id="lab_wdc_TopTenCustomersMember_63A6BD00FCCAEF08464FBF3396F20BB9_terseLabel_en-US" xlink:label="lab_wdc_TopTenCustomersMember_63A6BD00FCCAEF08464FBF3396F20BB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Top Ten Customers </link:label>
<link:label id="lab_wdc_TopTenCustomersMember_63A6BD00FCCAEF08464FBF3396F20BB9_label_en-US" xlink:label="lab_wdc_TopTenCustomersMember_63A6BD00FCCAEF08464FBF3396F20BB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Top Ten Customers [Member] </link:label>
<link:label id="lab_wdc_TopTenCustomersMember_63A6BD00FCCAEF08464FBF3396F20BB9_documentation_en-US" xlink:label="lab_wdc_TopTenCustomersMember_63A6BD00FCCAEF08464FBF3396F20BB9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Top Ten Customers [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_TopTenCustomersMember" xlink:label="loc_wdc_TopTenCustomersMember_63A6BD00FCCAEF08464FBF3396F20BB9" xlink:type="locator"/>
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<link:label id="lab_wdc_AppleInc.Member_10A8BE1F8E97AEDC1B4CBF3396F35A7B_terseLabel_en-US" xlink:label="lab_wdc_AppleInc.Member_10A8BE1F8E97AEDC1B4CBF3396F35A7B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Apple, Inc. </link:label>
<link:label id="lab_wdc_AppleInc.Member_10A8BE1F8E97AEDC1B4CBF3396F35A7B_label_en-US" xlink:label="lab_wdc_AppleInc.Member_10A8BE1F8E97AEDC1B4CBF3396F35A7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Apple, Inc. [Member] </link:label>
<link:label id="lab_wdc_AppleInc.Member_10A8BE1F8E97AEDC1B4CBF3396F35A7B_documentation_en-US" xlink:label="lab_wdc_AppleInc.Member_10A8BE1F8E97AEDC1B4CBF3396F35A7B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Apple, Inc. [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_AppleInc.Member" xlink:label="loc_wdc_AppleInc.Member_10A8BE1F8E97AEDC1B4CBF3396F35A7B" xlink:type="locator"/>
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<link:label id="lab_wdc_DellInc.Member_4BF91209EFD1189B1128BF3396F310F1_terseLabel_en-US" xlink:label="lab_wdc_DellInc.Member_4BF91209EFD1189B1128BF3396F310F1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Dell Inc. </link:label>
<link:label id="lab_wdc_DellInc.Member_4BF91209EFD1189B1128BF3396F310F1_label_en-US" xlink:label="lab_wdc_DellInc.Member_4BF91209EFD1189B1128BF3396F310F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Dell Inc. [Member] </link:label>
<link:label id="lab_wdc_DellInc.Member_4BF91209EFD1189B1128BF3396F310F1_documentation_en-US" xlink:label="lab_wdc_DellInc.Member_4BF91209EFD1189B1128BF3396F310F1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Dell Inc. [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_DellInc.Member" xlink:label="loc_wdc_DellInc.Member_4BF91209EFD1189B1128BF3396F310F1" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_wdc_DellInc.Member_4BF91209EFD1189B1128BF3396F310F1" xlink:to="lab_wdc_DellInc.Member_4BF91209EFD1189B1128BF3396F310F1" xlink:type="arc"/>
<link:label id="lab_wdc_HuaweiInvestmentAndHoldingCompanyMember_667AAFD97A26BB782113BF3396F3FF79_terseLabel_en-US" xlink:label="lab_wdc_HuaweiInvestmentAndHoldingCompanyMember_667AAFD97A26BB782113BF3396F3FF79" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Huawei Investment & Holding Co. </link:label>
<link:label id="lab_wdc_HuaweiInvestmentAndHoldingCompanyMember_667AAFD97A26BB782113BF3396F3FF79_label_en-US" xlink:label="lab_wdc_HuaweiInvestmentAndHoldingCompanyMember_667AAFD97A26BB782113BF3396F3FF79" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Huawei Investment And Holding Company [Member] </link:label>
<link:label id="lab_wdc_HuaweiInvestmentAndHoldingCompanyMember_667AAFD97A26BB782113BF3396F3FF79_documentation_en-US" xlink:label="lab_wdc_HuaweiInvestmentAndHoldingCompanyMember_667AAFD97A26BB782113BF3396F3FF79" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Huawei Investment And Holding Company [Member] </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_HuaweiInvestmentAndHoldingCompanyMember" xlink:label="loc_wdc_HuaweiInvestmentAndHoldingCompanyMember_667AAFD97A26BB782113BF3396F3FF79" xlink:type="locator"/>
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<link:label id="lab_us-gaap_ConcentrationRiskLineItems_F286D94BD2E0C8C857A1BF3396F387EA_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskLineItems_F286D94BD2E0C8C857A1BF3396F387EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration Risk [Line Items] </link:label>
<link:label id="lab_us-gaap_ConcentrationRiskLineItems_F286D94BD2E0C8C857A1BF3396F387EA_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskLineItems_F286D94BD2E0C8C857A1BF3396F387EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Concentration Risk [Line Items] </link:label>
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<link:label id="lab_us-gaap_ConcentrationRiskPercentage1_FBB0FC9E5CACDF1CAAE7BF3396F3C790_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_FBB0FC9E5CACDF1CAAE7BF3396F3C790" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Concentration risk, percentage </link:label>
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<link:label id="lab_wdc_EntityWideAccountsReceivableMajorCustomerPercentage_A6F3CCEDD87C14C1FAE1BF3396F4218D_terseLabel_en-US" xlink:label="lab_wdc_EntityWideAccountsReceivableMajorCustomerPercentage_A6F3CCEDD87C14C1FAE1BF3396F4218D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Entity wide accounts receivable major customer percentage </link:label>
<link:label id="lab_wdc_EntityWideAccountsReceivableMajorCustomerPercentage_A6F3CCEDD87C14C1FAE1BF3396F4218D_label_en-US" xlink:label="lab_wdc_EntityWideAccountsReceivableMajorCustomerPercentage_A6F3CCEDD87C14C1FAE1BF3396F4218D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Entity Wide Accounts Receivable Major Customer Percentage </link:label>
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<link:label id="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_1B9539616745336FACB5BF3397C50991_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable_1B9539616745336FACB5BF3397C50991" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Revenues from External Customers and Long-Lived Assets [Table] </link:label>
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<link:label id="lab_country_MY_AF4BE09C1FD25B24A121BF3397C669F4_terseLabel_en-US" xlink:label="lab_country_MY_AF4BE09C1FD25B24A121BF3397C669F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Malaysia </link:label>
<link:label id="lab_country_MY_AF4BE09C1FD25B24A121BF3397C669F4_label_en-US" xlink:label="lab_country_MY_AF4BE09C1FD25B24A121BF3397C669F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> MALAYSIA </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_MY" xlink:label="loc_country_MY_AF4BE09C1FD25B24A121BF3397C669F4" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_MY_AF4BE09C1FD25B24A121BF3397C669F4" xlink:to="lab_country_MY_AF4BE09C1FD25B24A121BF3397C669F4" xlink:type="arc"/>
<link:label id="lab_country_TH_9B2122C66895BCDFBAF3BF3397C7CCB8_terseLabel_en-US" xlink:label="lab_country_TH_9B2122C66895BCDFBAF3BF3397C7CCB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Thailand </link:label>
<link:label id="lab_country_TH_9B2122C66895BCDFBAF3BF3397C7CCB8_label_en-US" xlink:label="lab_country_TH_9B2122C66895BCDFBAF3BF3397C7CCB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> THAILAND </link:label>
<link:loc xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_TH" xlink:label="loc_country_TH_9B2122C66895BCDFBAF3BF3397C7CCB8" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_TH_9B2122C66895BCDFBAF3BF3397C7CCB8" xlink:to="lab_country_TH_9B2122C66895BCDFBAF3BF3397C7CCB8" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_B2A0CDED8C3199E199C4BF3397C79909_terseLabel_en-US" xlink:label="lab_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_B2A0CDED8C3199E199C4BF3397C79909" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenues from External Customers and Long-Lived Assets [Line Items] </link:label>
<link:label id="lab_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_B2A0CDED8C3199E199C4BF3397C79909_label_en-US" xlink:label="lab_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_B2A0CDED8C3199E199C4BF3397C79909" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenues from External Customers and Long-Lived Assets [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:label="loc_us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems_B2A0CDED8C3199E199C4BF3397C79909" xlink:type="locator"/>
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<link:label id="lab_us-gaap_NoncurrentAssets_AE6D0965811048AF4FA4BF3397C7A3A8_terseLabel_en-US" xlink:label="lab_us-gaap_NoncurrentAssets_AE6D0965811048AF4FA4BF3397C7A3A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Long-lived assets </link:label>
<link:label id="lab_us-gaap_NoncurrentAssets_AE6D0965811048AF4FA4BF3397C7A3A8_label_en-US" xlink:label="lab_us-gaap_NoncurrentAssets_AE6D0965811048AF4FA4BF3397C7A3A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Long-Lived Assets </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NoncurrentAssets" xlink:label="loc_us-gaap_NoncurrentAssets_AE6D0965811048AF4FA4BF3397C7A3A8" xlink:type="locator"/>
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<link:label id="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsTable_77D02787157AE65E3974B03DD73E0432_terseLabel_en-US" xlink:label="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsTable_77D02787157AE65E3974B03DD73E0432" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation, Unrecognized Service Costs [Table] </link:label>
<link:label id="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsTable_77D02787157AE65E3974B03DD73E0432_label_en-US" xlink:label="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsTable_77D02787157AE65E3974B03DD73E0432" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation, Unrecognized Service Costs [Table] </link:label>
<link:label id="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsTable_77D02787157AE65E3974B03DD73E0432_documentation_en-US" xlink:label="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsTable_77D02787157AE65E3974B03DD73E0432" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Schedule of employee share-based awards, unrecognized compensation in tabular format. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsTable" xlink:label="loc_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsTable_77D02787157AE65E3974B03DD73E0432" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_A65E7D793B02F7A0462DB03DD73F4219_verboseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember_A65E7D793B02F7A0462DB03DD73F4219" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US"> RSUs and PSUs </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_A65E7D793B02F7A0462DB03DD73F4219" xlink:type="locator"/>
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<link:label id="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsLineItems_DBD95F7A8B91AC52A7CAB03DD740F12B_terseLabel_en-US" xlink:label="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsLineItems_DBD95F7A8B91AC52A7CAB03DD740F12B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation, Unrecognized Service Costs [Line Items] </link:label>
<link:label id="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsLineItems_DBD95F7A8B91AC52A7CAB03DD740F12B_label_en-US" xlink:label="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsLineItems_DBD95F7A8B91AC52A7CAB03DD740F12B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Employee Service Share-based Compensation, Unrecognized Service Costs [Line Items] </link:label>
<link:label id="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsLineItems_DBD95F7A8B91AC52A7CAB03DD740F12B_documentation_en-US" xlink:label="lab_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsLineItems_DBD95F7A8B91AC52A7CAB03DD740F12B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> [Line Items] for Schedule of employee share-based awards, unrecognized compensation in tabular format. </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsLineItems" xlink:label="loc_wdc_EmployeeServiceSharebasedCompensationUnrecognizedServiceCostsLineItems_DBD95F7A8B91AC52A7CAB03DD740F12B" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_252CC3FBFBC4A3A90C8AB03DD7401C35_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_252CC3FBFBC4A3A90C8AB03DD7401C35" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Unamortized Compensation Costs </link:label>
<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_252CC3FBFBC4A3A90C8AB03DD7401C35_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_252CC3FBFBC4A3A90C8AB03DD7401C35" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_252CC3FBFBC4A3A90C8AB03DD7401C35" xlink:type="locator"/>
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<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_1E62929A8C2DB3F37377B03DD7450730_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_1E62929A8C2DB3F37377B03DD7450730" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Weighted Average Service Period </link:label>
<link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_1E62929A8C2DB3F37377B03DD7450730_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_1E62929A8C2DB3F37377B03DD7450730" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_1E62929A8C2DB3F37377B03DD7450730" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligation_A52513478865F79FDDD1BA28A388B553_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligation_A52513478865F79FDDD1BA28A388B553" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, remaining performance obligation, amount </link:label>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligation_A52513478865F79FDDD1BA28A388B553_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligation_A52513478865F79FDDD1BA28A388B553" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Amount </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_A52513478865F79FDDD1BA28A388B553" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligation_A52513478865F79FDDD1BA28A388B553" xlink:to="lab_us-gaap_RevenueRemainingPerformanceObligation_A52513478865F79FDDD1BA28A388B553" xlink:type="arc"/>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_EE2920F38D32A65395ADBA28A38909A4_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_EE2920F38D32A65395ADBA28A38909A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] </link:label>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_EE2920F38D32A65395ADBA28A38909A4_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_EE2920F38D32A65395ADBA28A38909A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_EE2920F38D32A65395ADBA28A38909A4" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_8B9BFC14C82AB07AD588BA28A38A5B5D_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_8B9BFC14C82AB07AD588BA28A38A5B5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] </link:label>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_8B9BFC14C82AB07AD588BA28A38A5B5D_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_8B9BFC14C82AB07AD588BA28A38A5B5D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_8B9BFC14C82AB07AD588BA28A38A5B5D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_2A7F81518B270AFE4C25BA28A38B4DD2_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_2A7F81518B270AFE4C25BA28A38B4DD2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] </link:label>
<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_2A7F81518B270AFE4C25BA28A38B4DD2_label_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_2A7F81518B270AFE4C25BA28A38B4DD2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_2A7F81518B270AFE4C25BA28A38B4DD2" xlink:type="locator"/>
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<link:label id="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_928DA377E4281E122308BA28A38B06A8_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_928DA377E4281E122308BA28A38B06A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue, remaining performance obligation period </link:label>
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<link:label id="lab_us-gaap_OperatingLeaseRightOfUseAsset_E4E0F8C9EA05398DCDE6B03DD9B7DD63_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset_E4E0F8C9EA05398DCDE6B03DD9B7DD63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Expected increase in lease assets </link:label>
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<link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_F9009632E91064727817B03DD71EF709_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_F9009632E91064727817B03DD71EF709" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Outstanding, ending balance, grant date fair value, in dollars per share </link:label>
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<link:label id="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_8789BD8CA74DD9F471DAB03DD71E514F_terseLabel_en-US" xlink:label="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_8789BD8CA74DD9F471DAB03DD71E514F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Aggregate value of restricted stock awards vested </link:label>
<link:label id="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_8789BD8CA74DD9F471DAB03DD71E514F_label_en-US" xlink:label="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_8789BD8CA74DD9F471DAB03DD71E514F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Aggregate Value Of Restricted Stock Awards Vested </link:label>
<link:label id="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_8789BD8CA74DD9F471DAB03DD71E514F_documentation_en-US" xlink:label="lab_wdc_AggregateValueOfRestrictedStockAwardsVested_8789BD8CA74DD9F471DAB03DD71E514F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US"> Aggregate Value Of Restricted Stock Awards Vested </link:label>
<link:loc xlink:href="wdc-20190628.xsd#wdc_AggregateValueOfRestrictedStockAwardsVested" xlink:label="loc_wdc_AggregateValueOfRestrictedStockAwardsVested_8789BD8CA74DD9F471DAB03DD71E514F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_E38C61F5681B7EDECE57BF33EEE52503_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_E38C61F5681B7EDECE57BF33EEE52503" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Income Tax Expense </link:label>
<link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_E38C61F5681B7EDECE57BF33EEE52503_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_E38C61F5681B7EDECE57BF33EEE52503" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Income Tax Disclosure [Text Block] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_E38C61F5681B7EDECE57BF33EEE52503" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_CEBCB49F4039DD5DB234BF31A5CB4D39_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_CEBCB49F4039DD5DB234BF31A5CB4D39" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_CEBCB49F4039DD5DB234BF31A5CB4D39_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_CEBCB49F4039DD5DB234BF31A5CB4D39" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_CEBCB49F4039DD5DB234BF31A5CB4D39" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_F1C2EB2DD93A9C842A4BBF31A5CBF4AC_periodStartLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation_F1C2EB2DD93A9C842A4BBF31A5CBF4AC" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Projected benefit obligation at beginning of period </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_F1C2EB2DD93A9C842A4BBF31A5CBF4AC_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation_F1C2EB2DD93A9C842A4BBF31A5CBF4AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Benefit Obligation </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_F1C2EB2DD93A9C842A4BBF31A5CBF4AC" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanBenefitObligation_F1C2EB2DD93A9C842A4BBF31A5CBF4AC" xlink:to="lab_us-gaap_DefinedBenefitPlanBenefitObligation_F1C2EB2DD93A9C842A4BBF31A5CBF4AC" xlink:type="arc"/>
<link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_7E3874433BEA16C0C891BF31A5CB4520_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost_7E3874433BEA16C0C891BF31A5CB4520" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Service cost </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanServiceCost_7E3874433BEA16C0C891BF31A5CB4520_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanServiceCost_7E3874433BEA16C0C891BF31A5CB4520" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Service Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_7E3874433BEA16C0C891BF31A5CB4520" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_9D88490C0597DB8B4AC0BF31A5CCB293_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost_9D88490C0597DB8B4AC0BF31A5CCB293" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Interest cost </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanInterestCost_9D88490C0597DB8B4AC0BF31A5CCB293_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanInterestCost_9D88490C0597DB8B4AC0BF31A5CCB293" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Interest Cost </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_9D88490C0597DB8B4AC0BF31A5CCB293" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_E2665D9CA4DDCF6F5688BF31A5CC7121_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_E2665D9CA4DDCF6F5688BF31A5CC7121" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Actuarial loss (gain) </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_E2665D9CA4DDCF6F5688BF31A5CC7121_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActuarialGainLoss_E2665D9CA4DDCF6F5688BF31A5CC7121" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanActuarialGainLoss" xlink:label="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_E2665D9CA4DDCF6F5688BF31A5CC7121" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid_9F45CB815F372010F5C6BF31A5CC5B90_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid_9F45CB815F372010F5C6BF31A5CC5B90" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Benefits paid </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid_9F45CB815F372010F5C6BF31A5CC5B90_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid_9F45CB815F372010F5C6BF31A5CC5B90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Benefit Obligation, Benefits Paid </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid_9F45CB815F372010F5C6BF31A5CC5B90" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_C35CDCAC3714BD9CC782BF31A5CC641D_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_C35CDCAC3714BD9CC782BF31A5CC641D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Settlement/Curtailment </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_C35CDCAC3714BD9CC782BF31A5CC641D_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_C35CDCAC3714BD9CC782BF31A5CC641D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanSettlementsBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanSettlementsBenefitObligation_C35CDCAC3714BD9CC782BF31A5CC641D" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_3E6FC109D379D6B48DD1BF31A5CC3429_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_3E6FC109D379D6B48DD1BF31A5CC3429" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Non-U.S. currency movement </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_A40E43C7E4C7F256FEFDBF31A5CDDECD_periodEndLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation_A40E43C7E4C7F256FEFDBF31A5CDDECD" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Projected benefit obligation at end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_A40E43C7E4C7F256FEFDBF31A5CDDECD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_74B3E67CEFA9042889B5BF31A5CDF4A8_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_74B3E67CEFA9042889B5BF31A5CDF4A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_E45B94AB9D309FB23EA3BF31A5CD6622_periodStartLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_E45B94AB9D309FB23EA3BF31A5CD6622" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Fair value of plan assets at beginning of period </link:label>
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<link:label id="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_20DEB7F12B3D2BD459CFBF31A5CD3109_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_20DEB7F12B3D2BD459CFBF31A5CD3109" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Actual return on plan assets </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_20DEB7F12B3D2BD459CFBF31A5CD3109_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_20DEB7F12B3D2BD459CFBF31A5CD3109" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets_20DEB7F12B3D2BD459CFBF31A5CD3109" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_CF4DC66D050B52276F4FBF31A5CDEF88_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_CF4DC66D050B52276F4FBF31A5CDEF88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Employer contributions </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_CF4DC66D050B52276F4FBF31A5CDEF88_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_CF4DC66D050B52276F4FBF31A5CDEF88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan Assets, Contributions by Employer </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_CF4DC66D050B52276F4FBF31A5CDEF88" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_25965B1A3D8F2EF09922BF31A5CD9B2A_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_25965B1A3D8F2EF09922BF31A5CD9B2A" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Benefits paid </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_25965B1A3D8F2EF09922BF31A5CD9B2A_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_25965B1A3D8F2EF09922BF31A5CD9B2A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan Assets, Benefits Paid </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:label="loc_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_25965B1A3D8F2EF09922BF31A5CD9B2A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss_8B4D612DD78514C3277EBF31A5CE32E7_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss_8B4D612DD78514C3277EBF31A5CE32E7" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Non-U.S. currency movement </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss_8B4D612DD78514C3277EBF31A5CE32E7_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss_8B4D612DD78514C3277EBF31A5CE32E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss" xlink:label="loc_us-gaap_DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss_8B4D612DD78514C3277EBF31A5CE32E7" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_B1DF3E2C1DAC76C2D1F1BF31A5CE4B2F_periodEndLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_B1DF3E2C1DAC76C2D1F1BF31A5CE4B2F" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Fair value of plan assets at end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_B1DF3E2C1DAC76C2D1F1BF31A5CE4B2F" xlink:type="locator"/>
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<link:label id="lab_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_A3B0B13A29AA3C7D178CBF31A5CEB83A_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_A3B0B13A29AA3C7D178CBF31A5CEB83A" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US"> Unfunded status </link:label>
<link:label id="lab_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_A3B0B13A29AA3C7D178CBF31A5CEB83A_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_A3B0B13A29AA3C7D178CBF31A5CEB83A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Defined Benefit Plan, Funded (Unfunded) Status of Plan </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_A3B0B13A29AA3C7D178CBF31A5CEB83A" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GoodwillRollForward_A5D61759A47706CF0BFCB03DD8C1714C_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_A5D61759A47706CF0BFCB03DD8C1714C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill [Roll Forward] </link:label>
<link:label id="lab_us-gaap_GoodwillRollForward_A5D61759A47706CF0BFCB03DD8C1714C_label_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_A5D61759A47706CF0BFCB03DD8C1714C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill [Roll Forward] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_A5D61759A47706CF0BFCB03DD8C1714C" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Goodwill_F1FC9F708A52D91436E3B03DD8C104FA_periodStartLabel_en-US" xlink:label="lab_us-gaap_Goodwill_F1FC9F708A52D91436E3B03DD8C104FA" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US"> Goodwill balance, beginning of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_F1FC9F708A52D91436E3B03DD8C104FA" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_2CBDCD9BEDAAF1B7741CB03DD8C194CD_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_2CBDCD9BEDAAF1B7741CB03DD8C194CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Goodwill recorded in connection with acquisitions </link:label>
<link:label id="lab_us-gaap_GoodwillAcquiredDuringPeriod_2CBDCD9BEDAAF1B7741CB03DD8C194CD_label_en-US" xlink:label="lab_us-gaap_GoodwillAcquiredDuringPeriod_2CBDCD9BEDAAF1B7741CB03DD8C194CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Acquired During Period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_2CBDCD9BEDAAF1B7741CB03DD8C194CD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_185C67CF8A8A425CA788B03DD8C1CBCE_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_185C67CF8A8A425CA788B03DD8C1CBCE" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US"> Foreign currency translation adjustment </link:label>
<link:label id="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_185C67CF8A8A425CA788B03DD8C1CBCE_label_en-US" xlink:label="lab_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_185C67CF8A8A425CA788B03DD8C1CBCE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Goodwill, Foreign Currency Translation Gain (Loss) </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillForeignCurrencyTranslationGainLoss" xlink:label="loc_us-gaap_GoodwillForeignCurrencyTranslationGainLoss_185C67CF8A8A425CA788B03DD8C1CBCE" xlink:type="locator"/>
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<link:label id="lab_us-gaap_Goodwill_8CD7DA77DD21C25E2449B03DD8C28328_periodEndLabel_en-US" xlink:label="lab_us-gaap_Goodwill_8CD7DA77DD21C25E2449B03DD8C28328" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US"> Goodwill balance, end of period </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_8CD7DA77DD21C25E2449B03DD8C28328" xlink:type="locator"/>
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<link:label id="lab_wdc_RevenuefromExternalCustomersbyEndMarketsTableTextBlock_CC946F5F29952BEBD965BF339991BB52_terseLabel_en-US" xlink:label="lab_wdc_RevenuefromExternalCustomersbyEndMarketsTableTextBlock_CC946F5F29952BEBD965BF339991BB52" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Revenue from External Customers by End Markets </link:label>
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<link:loc xlink:href="wdc-20190628.xsd#wdc_RevenuefromExternalCustomersbyEndMarketsTableTextBlock" xlink:label="loc_wdc_RevenuefromExternalCustomersbyEndMarketsTableTextBlock_CC946F5F29952BEBD965BF339991BB52" xlink:type="locator"/>
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<link:label id="lab_us-gaap_LongLivedAssetsByGeographicAreasTableTextBlock_62D31395B913DC76AD56BF33999296A7_terseLabel_en-US" xlink:label="lab_us-gaap_LongLivedAssetsByGeographicAreasTableTextBlock_62D31395B913DC76AD56BF33999296A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Schedule of Long-lived Assets by Geographic Areas </link:label>
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<link:label id="lab_us-gaap_InventoryDisclosureAbstract_B87FE3BDC8F6B762F1BEB03DD9A6DAC2_label_en-US" xlink:label="lab_us-gaap_InventoryDisclosureAbstract_B87FE3BDC8F6B762F1BEB03DD9A6DAC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory Disclosure [Abstract] </link:label>
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<link:label id="lab_us-gaap_InventoryNetAbstract_78BA5FC2240B691B975DB03DD9A6D27A_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryNetAbstract_78BA5FC2240B691B975DB03DD9A6D27A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Inventories: </link:label>
<link:label id="lab_us-gaap_InventoryNetAbstract_78BA5FC2240B691B975DB03DD9A6D27A_label_en-US" xlink:label="lab_us-gaap_InventoryNetAbstract_78BA5FC2240B691B975DB03DD9A6D27A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Net [Abstract] </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryNetAbstract" xlink:label="loc_us-gaap_InventoryNetAbstract_78BA5FC2240B691B975DB03DD9A6D27A" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNetAbstract_78BA5FC2240B691B975DB03DD9A6D27A" xlink:to="lab_us-gaap_InventoryNetAbstract_78BA5FC2240B691B975DB03DD9A6D27A" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_1C86DEED51362D9B6590B03DD9A778CA_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_1C86DEED51362D9B6590B03DD9A778CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Raw materials and component parts </link:label>
<link:label id="lab_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_1C86DEED51362D9B6590B03DD9A778CA_label_en-US" xlink:label="lab_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_1C86DEED51362D9B6590B03DD9A778CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Raw Materials and Supplies, Net of Reserves </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_1C86DEED51362D9B6590B03DD9A778CA" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_1C86DEED51362D9B6590B03DD9A778CA" xlink:to="lab_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_1C86DEED51362D9B6590B03DD9A778CA" xlink:type="arc"/>
<link:label id="lab_us-gaap_InventoryWorkInProcessNetOfReserves_1A05E0840CFAF046E41FB03DD9A74AF6_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryWorkInProcessNetOfReserves_1A05E0840CFAF046E41FB03DD9A74AF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Work-in-process </link:label>
<link:label id="lab_us-gaap_InventoryWorkInProcessNetOfReserves_1A05E0840CFAF046E41FB03DD9A74AF6_label_en-US" xlink:label="lab_us-gaap_InventoryWorkInProcessNetOfReserves_1A05E0840CFAF046E41FB03DD9A74AF6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Work in Process, Net of Reserves </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_1A05E0840CFAF046E41FB03DD9A74AF6" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InventoryFinishedGoodsNetOfReserves_ECED821FA87EB2F8033EB03DD9A725BD_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoodsNetOfReserves_ECED821FA87EB2F8033EB03DD9A725BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US"> Finished goods </link:label>
<link:label id="lab_us-gaap_InventoryFinishedGoodsNetOfReserves_ECED821FA87EB2F8033EB03DD9A725BD_label_en-US" xlink:label="lab_us-gaap_InventoryFinishedGoodsNetOfReserves_ECED821FA87EB2F8033EB03DD9A725BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US"> Inventory, Finished Goods, Net of Reserves </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_ECED821FA87EB2F8033EB03DD9A725BD" xlink:type="locator"/>
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<link:label id="lab_us-gaap_InventoryNet_BF7B4FCBB35017BFFABDB03DD9A76788_totalLabel_en-US" xlink:label="lab_us-gaap_InventoryNet_BF7B4FCBB35017BFFABDB03DD9A76788" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US"> Total inventories </link:label>
<link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_BF7B4FCBB35017BFFABDB03DD9A76788" xlink:type="locator"/>
<link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNet_BF7B4FCBB35017BFFABDB03DD9A76788" xlink:to="lab_us-gaap_InventoryNet_BF7B4FCBB35017BFFABDB03DD9A76788" xlink:type="arc"/>
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9 Subsequent Filings that Reference this Filing

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/22/23  Western Digital Corp.             10-K        6/30/23  119:14M
 8/25/22  Western Digital Corp.             10-K        7/01/22  118:15M
 8/27/21  Western Digital Corp.             10-K        7/02/21  115:13M
11/25/20  Western Digital Corp.             S-8        11/25/20   14:2.2M                                   Donnelley … Solutions/FA
11/25/20  Western Digital Corp.             S-8        11/25/20    3:56K                                    Donnelley … Solutions/FA
 8/28/20  Western Digital Corp.             10-K        7/03/20  118:16M
11/04/19  SEC                               UPLOAD12/04/19    2:39K  Western Digital Corp.
10/17/19  SEC                               UPLOAD12/04/19    2:50K  Western Digital Corp.
 9/18/19  SEC                               UPLOAD12/04/19    2:43K  Western Digital Corp.
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