<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2023 Workiva-->
<!--r:6a50601e-da53-4faa-9234-9ad285f427e1,g:fc47146b-f382-4b95-9c94-8b995f528634-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:wdc="http://www.wdc.com/20221230" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.wdc.com/20221230">
  <xs:import namespace="http://fasb.org/srt/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd"/>
  <xs:import namespace="http://fasb.org/us-gaap/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2022" schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="wdc-20221230_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="wdc-20221230_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="wdc-20221230_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="wdc-20221230_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="CoverPage" roleURI="http://www.wdc.com/role/CoverPage">
        <link:definition>0000001 - Document - Cover Page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDBALANCESHEETS" roleURI="http://www.wdc.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETS">
        <link:definition>0000002 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical" roleURI="http://www.wdc.com/role/CONDENSEDCONSOLIDATEDBALANCESHEETSParenthetical">
        <link:definition>0000003 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS" roleURI="http://www.wdc.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONS">
        <link:definition>0000004 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS" roleURI="http://www.wdc.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCOMPREHENSIVEINCOMELOSS">
        <link:definition>0000005 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS" roleURI="http://www.wdc.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWS">
        <link:definition>0000006 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONDENSEDCONSOLIDATEDSTATEMENTSOFSHAREHOLDERSEQUITY" roleURI="http://www.wdc.com/role/CONDENSEDCONSOLIDATEDSTATEMENTSOFSHAREHOLDERSEQUITY">
        <link:definition>0000007 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS&#8217; EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationandBasisofPresentation" roleURI="http://www.wdc.com/role/OrganizationandBasisofPresentation">
        <link:definition>0000008 - Disclosure - Organization and Basis of Presentation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RecentAccountingPronouncements" roleURI="http://www.wdc.com/role/RecentAccountingPronouncements">
        <link:definition>0000009 - Disclosure - Recent Accounting Pronouncements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessSegmentsGeographicInformationandConcentrationsofRisk" roleURI="http://www.wdc.com/role/BusinessSegmentsGeographicInformationandConcentrationsofRisk">
        <link:definition>0000010 - Disclosure - Business Segments, Geographic Information, and Concentrations of Risk</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Revenues" roleURI="http://www.wdc.com/role/Revenues">
        <link:definition>0000011 - Disclosure - Revenues</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalFinancialStatementData" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementData">
        <link:definition>0000012 - Disclosure - Supplemental Financial Statement Data</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsandInvestments" roleURI="http://www.wdc.com/role/FairValueMeasurementsandInvestments">
        <link:definition>0000013 - Disclosure - Fair Value Measurements and Investments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsandHedgingActivities" roleURI="http://www.wdc.com/role/DerivativeInstrumentsandHedgingActivities">
        <link:definition>0000014 - Disclosure - Derivative Instruments and Hedging Activities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Debt" roleURI="http://www.wdc.com/role/Debt">
        <link:definition>0000015 - Disclosure - Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PensionandOtherPostRetirementBenefitPlans" roleURI="http://www.wdc.com/role/PensionandOtherPostRetirementBenefitPlans">
        <link:definition>0000016 - Disclosure - Pension and Other Post-Retirement Benefit Plans</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartiesandRelatedCommitmentsandContingencies" roleURI="http://www.wdc.com/role/RelatedPartiesandRelatedCommitmentsandContingencies">
        <link:definition>0000017 - Disclosure - Related Parties and Related Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandOtherCommitments" roleURI="http://www.wdc.com/role/LeasesandOtherCommitments">
        <link:definition>0000018 - Disclosure - Leases and Other Commitments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquity" roleURI="http://www.wdc.com/role/ShareholdersEquity">
        <link:definition>0000019 - Disclosure - Shareholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxExpense" roleURI="http://www.wdc.com/role/IncomeTaxExpense">
        <link:definition>0000020 - Disclosure - Income Tax Expense</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetIncomeLossPerCommonShare" roleURI="http://www.wdc.com/role/NetIncomeLossPerCommonShare">
        <link:definition>0000021 - Disclosure - Net Income (Loss) Per Common Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeTerminationAssetImpairmentandOtherCharges" roleURI="http://www.wdc.com/role/EmployeeTerminationAssetImpairmentandOtherCharges">
        <link:definition>0000022 - Disclosure - Employee Termination, Asset Impairment, and Other Charges</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LegalProceedings" roleURI="http://www.wdc.com/role/LegalProceedings">
        <link:definition>0000023 - Disclosure - Legal Proceedings</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEvents" roleURI="http://www.wdc.com/role/SubsequentEvents">
        <link:definition>0000024 - Disclosure - Subsequent Events</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationandBasisofPresentationPolicies" roleURI="http://www.wdc.com/role/OrganizationandBasisofPresentationPolicies">
        <link:definition>0000025 - Disclosure - Organization and Basis of Presentation (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessSegmentsGeographicInformationandConcentrationsofRiskTables" roleURI="http://www.wdc.com/role/BusinessSegmentsGeographicInformationandConcentrationsofRiskTables">
        <link:definition>0000026 - Disclosure - Business Segments, Geographic Information, and Concentrations of Risk (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalFinancialStatementDataTables" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataTables">
        <link:definition>0000027 - Disclosure - Supplemental Financial Statement Data (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsandInvestmentsTables" roleURI="http://www.wdc.com/role/FairValueMeasurementsandInvestmentsTables">
        <link:definition>0000028 - Disclosure - Fair Value Measurements and Investments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtTables" roleURI="http://www.wdc.com/role/DebtTables">
        <link:definition>0000029 - Disclosure - Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PensionandOtherPostRetirementBenefitPlansTables" roleURI="http://www.wdc.com/role/PensionandOtherPostRetirementBenefitPlansTables">
        <link:definition>0000030 - Disclosure - Pension and Other Post-Retirement Benefit Plans (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartiesandRelatedCommitmentsandContingenciesTables" roleURI="http://www.wdc.com/role/RelatedPartiesandRelatedCommitmentsandContingenciesTables">
        <link:definition>0000031 - Disclosure - Related Parties and Related Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandOtherCommitmentsTables" roleURI="http://www.wdc.com/role/LeasesandOtherCommitmentsTables">
        <link:definition>0000032 - Disclosure - Leases and Other Commitments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquityTables" roleURI="http://www.wdc.com/role/ShareholdersEquityTables">
        <link:definition>0000033 - Disclosure - Shareholders' Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxExpenseTables" roleURI="http://www.wdc.com/role/IncomeTaxExpenseTables">
        <link:definition>0000034 - Disclosure - Income Tax Expense (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetIncomeLossPerCommonShareTables" roleURI="http://www.wdc.com/role/NetIncomeLossPerCommonShareTables">
        <link:definition>0000035 - Disclosure - Net Income (Loss) Per Common Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeTerminationAssetImpairmentandOtherChargesTables" roleURI="http://www.wdc.com/role/EmployeeTerminationAssetImpairmentandOtherChargesTables">
        <link:definition>0000036 - Disclosure - Employee Termination, Asset Impairment, and Other Charges (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OrganizationandBasisofPresentationAdditionalInformationDetails" roleURI="http://www.wdc.com/role/OrganizationandBasisofPresentationAdditionalInformationDetails">
        <link:definition>0000037 - Disclosure - Organization and Basis of Presentation - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RecentAccountingPronouncementsAdditionalInformationDetails" roleURI="http://www.wdc.com/role/RecentAccountingPronouncementsAdditionalInformationDetails">
        <link:definition>0000038 - Disclosure - Recent Accounting Pronouncements - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessSegmentsGeographicInformationandConcentrationsofRiskDetails" roleURI="http://www.wdc.com/role/BusinessSegmentsGeographicInformationandConcentrationsofRiskDetails">
        <link:definition>0000039 - Disclosure - Business Segments, Geographic Information, and Concentrations of Risk (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessSegmentsGeographicInformationandConcentrationsofRiskDisaggregationofRevenueDetails" roleURI="http://www.wdc.com/role/BusinessSegmentsGeographicInformationandConcentrationsofRiskDisaggregationofRevenueDetails">
        <link:definition>0000040 - Disclosure - Business Segments, Geographic Information, and Concentrations of Risk - Disaggregation of Revenue (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessSegmentsGeographicInformationandConcentrationsofRiskAdditionalInformationDetails" roleURI="http://www.wdc.com/role/BusinessSegmentsGeographicInformationandConcentrationsofRiskAdditionalInformationDetails">
        <link:definition>0000041 - Disclosure - Business Segments, Geographic Information, and Concentrations of Risk - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BusinessSegmentsGeographicInformationandConcentrationsofRiskGoodwillRollforwardDetails" roleURI="http://www.wdc.com/role/BusinessSegmentsGeographicInformationandConcentrationsofRiskGoodwillRollforwardDetails">
        <link:definition>0000042 - Disclosure - Business Segments, Geographic Information, and Concentrations of Risk - Goodwill Rollforward (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenuesRevenueRemainingPerformanceObligationDetails" roleURI="http://www.wdc.com/role/RevenuesRevenueRemainingPerformanceObligationDetails">
        <link:definition>0000043 - Disclosure - Revenues - Revenue Remaining Performance Obligation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RevenuesRevenueRemainingPerformanceObligationDetails_1" roleURI="http://www.wdc.com/role/RevenuesRevenueRemainingPerformanceObligationDetails_1">
        <link:definition>0000043 - Disclosure - Revenues - Revenue Remaining Performance Obligation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalFinancialStatementDataAdditionalInformationDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataAdditionalInformationDetails">
        <link:definition>0000044 - Disclosure - Supplemental Financial Statement Data - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalFinancialStatementDataInventoryDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataInventoryDetails">
        <link:definition>0000045 - Disclosure - Supplemental Financial Statement Data - Inventory (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalFinancialStatementDataPropertyPlantandEquipmentDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataPropertyPlantandEquipmentDetails">
        <link:definition>0000046 - Disclosure - Supplemental Financial Statement Data - Property, Plant and Equipment (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalFinancialStatementDataOtherIntangibleAssetsDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataOtherIntangibleAssetsDetails">
        <link:definition>0000047 - Disclosure - Supplemental Financial Statement Data - Other Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalFinancialStatementDataWarrantyAccrualRollForwardDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataWarrantyAccrualRollForwardDetails">
        <link:definition>0000048 - Disclosure - Supplemental Financial Statement Data - Warranty Accrual Roll Forward (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalFinancialStatementDataTotalWarrantyAccrualDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataTotalWarrantyAccrualDetails">
        <link:definition>0000049 - Disclosure - Supplemental Financial Statement Data - Total Warranty Accrual (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalFinancialStatementDataOtherLiabilitiesDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataOtherLiabilitiesDetails">
        <link:definition>0000050 - Disclosure - Supplemental Financial Statement Data - Other Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SupplementalFinancialStatementDataAccumulatedOtherComprehensiveLossRollForwardDetails" roleURI="http://www.wdc.com/role/SupplementalFinancialStatementDataAccumulatedOtherComprehensiveLossRollForwardDetails">
        <link:definition>0000051 - Disclosure - Supplemental Financial Statement Data - Accumulated Other Comprehensive Loss Roll Forward (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsandInvestmentsFinancialAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails" roleURI="http://www.wdc.com/role/FairValueMeasurementsandInvestmentsFinancialAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails">
        <link:definition>0000052 - Disclosure - Fair Value Measurements and Investments - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FairValueMeasurementsandInvestmentsDebtInstrumentFairValueDetails" roleURI="http://www.wdc.com/role/FairValueMeasurementsandInvestmentsDebtInstrumentFairValueDetails">
        <link:definition>0000053 - Disclosure - Fair Value Measurements and Investments - Debt Instrument Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DerivativeInstrumentsandHedgingActivitiesDetails" roleURI="http://www.wdc.com/role/DerivativeInstrumentsandHedgingActivitiesDetails">
        <link:definition>0000054 - Disclosure - Derivative Instruments and Hedging Activities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofDebtDetails" roleURI="http://www.wdc.com/role/DebtScheduleofDebtDetails">
        <link:definition>0000055 - Disclosure - Debt - Schedule of Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofDebtDetails_1" roleURI="http://www.wdc.com/role/DebtScheduleofDebtDetails_1">
        <link:definition>0000055 - Disclosure - Debt - Schedule of Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtAdditionalInformationDetails" roleURI="http://www.wdc.com/role/DebtAdditionalInformationDetails">
        <link:definition>0000056 - Disclosure - Debt - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DebtScheduleofLeverageRatioDetails" roleURI="http://www.wdc.com/role/DebtScheduleofLeverageRatioDetails">
        <link:definition>0000057 - Disclosure - Debt - Schedule of Leverage Ratio (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PensionandOtherPostRetirementBenefitPlansAdditionalInformationDetails" roleURI="http://www.wdc.com/role/PensionandOtherPostRetirementBenefitPlansAdditionalInformationDetails">
        <link:definition>0000058 - Disclosure - Pension and Other Post-Retirement Benefit Plans - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PensionandOtherPostRetirementBenefitPlansObligationsandFundedStatusDetails" roleURI="http://www.wdc.com/role/PensionandOtherPostRetirementBenefitPlansObligationsandFundedStatusDetails">
        <link:definition>0000059 - Disclosure - Pension and Other Post-Retirement Benefit Plans - Obligations and Funded Status (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PensionandOtherPostRetirementBenefitPlansUnfundedAmountsRecognizedonConsolidatedBalanceSheetsDetails" roleURI="http://www.wdc.com/role/PensionandOtherPostRetirementBenefitPlansUnfundedAmountsRecognizedonConsolidatedBalanceSheetsDetails">
        <link:definition>0000060 - Disclosure - Pension and Other Post-Retirement Benefit Plans - Unfunded Amounts Recognized on Consolidated Balance Sheets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartiesandRelatedCommitmentsandContingenciesAdditionalInformationDetails" roleURI="http://www.wdc.com/role/RelatedPartiesandRelatedCommitmentsandContingenciesAdditionalInformationDetails">
        <link:definition>0000061 - Disclosure - Related Parties and Related Commitments and Contingencies - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartiesandRelatedCommitmentsandContingenciesEquityInvestmentsDetails" roleURI="http://www.wdc.com/role/RelatedPartiesandRelatedCommitmentsandContingenciesEquityInvestmentsDetails">
        <link:definition>0000062 - Disclosure - Related Parties and Related Commitments and Contingencies - Equity Investments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartiesandRelatedCommitmentsandContingenciesMaximumLossExposureDetails" roleURI="http://www.wdc.com/role/RelatedPartiesandRelatedCommitmentsandContingenciesMaximumLossExposureDetails">
        <link:definition>0000063 - Disclosure - Related Parties and Related Commitments and Contingencies - Maximum Loss Exposure (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartiesandRelatedCommitmentsandContingenciesJVLeaseGuaranteesDetails" roleURI="http://www.wdc.com/role/RelatedPartiesandRelatedCommitmentsandContingenciesJVLeaseGuaranteesDetails">
        <link:definition>0000064 - Disclosure - Related Parties and Related Commitments and Contingencies - JV Lease Guarantees (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RelatedPartiesandRelatedCommitmentsandContingenciesJointVentureLeaseAmountsDetails" roleURI="http://www.wdc.com/role/RelatedPartiesandRelatedCommitmentsandContingenciesJointVentureLeaseAmountsDetails">
        <link:definition>0000065 - Disclosure - Related Parties and Related Commitments and Contingencies - Joint Venture Lease Amounts (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandOtherCommitmentsSupplementalBalanceSheetDetails" roleURI="http://www.wdc.com/role/LeasesandOtherCommitmentsSupplementalBalanceSheetDetails">
        <link:definition>0000066 - Disclosure - Leases and Other Commitments - Supplemental Balance Sheet (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandOtherCommitmentsSupplementalBalanceSheetDetails_1" roleURI="http://www.wdc.com/role/LeasesandOtherCommitmentsSupplementalBalanceSheetDetails_1">
        <link:definition>0000066 - Disclosure - Leases and Other Commitments - Supplemental Balance Sheet (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandOtherCommitmentsSupplementalCashFlowDetails" roleURI="http://www.wdc.com/role/LeasesandOtherCommitmentsSupplementalCashFlowDetails">
        <link:definition>0000067 - Disclosure - Leases and Other Commitments - Supplemental Cash Flow (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LeasesandOtherCommitmentsLongTermCommitmentsDetails" roleURI="http://www.wdc.com/role/LeasesandOtherCommitmentsLongTermCommitmentsDetails">
        <link:definition>0000068 - Disclosure - Leases and Other Commitments - Long-Term Commitments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquityStockBasedCompensationExpenseDetails" roleURI="http://www.wdc.com/role/ShareholdersEquityStockBasedCompensationExpenseDetails">
        <link:definition>0000069 - Disclosure - Shareholders' Equity - Stock-Based Compensation Expense (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquityUnrecognizedSharebasedCompensationDetails" roleURI="http://www.wdc.com/role/ShareholdersEquityUnrecognizedSharebasedCompensationDetails">
        <link:definition>0000070 - Disclosure - Shareholders' Equity - Unrecognized Share-based Compensation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquityStockOptionActivityDetails" roleURI="http://www.wdc.com/role/ShareholdersEquityStockOptionActivityDetails">
        <link:definition>0000071 - Disclosure - Shareholders' Equity - Stock Option Activity (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquityRestrictedStockUnitsAndPerformanceShareUnitsDetails" roleURI="http://www.wdc.com/role/ShareholdersEquityRestrictedStockUnitsAndPerformanceShareUnitsDetails">
        <link:definition>0000072 - Disclosure - Shareholders' Equity - Restricted Stock Units And Performance Share Units (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ShareholdersEquityShareRepurchaseProgramDetails" roleURI="http://www.wdc.com/role/ShareholdersEquityShareRepurchaseProgramDetails">
        <link:definition>0000073 - Disclosure - Shareholders' Equity - Share Repurchase Program (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxExpenseTaxExpenseandEffectiveTaxRateDetails" roleURI="http://www.wdc.com/role/IncomeTaxExpenseTaxExpenseandEffectiveTaxRateDetails">
        <link:definition>0000074 - Disclosure - Income Tax Expense - Tax Expense and Effective Tax Rate (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxExpenseAdditionalInformationDetails" roleURI="http://www.wdc.com/role/IncomeTaxExpenseAdditionalInformationDetails">
        <link:definition>0000075 - Disclosure - Income Tax Expense - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="IncomeTaxExpenseUnrecognizedTaxBenefitsDetails" roleURI="http://www.wdc.com/role/IncomeTaxExpenseUnrecognizedTaxBenefitsDetails">
        <link:definition>0000076 - Disclosure - Income Tax Expense - Unrecognized Tax Benefits (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NetIncomeLossPerCommonShareDetails" roleURI="http://www.wdc.com/role/NetIncomeLossPerCommonShareDetails">
        <link:definition>0000077 - Disclosure - Net Income (Loss) Per Common Share (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeTerminationAssetImpairmentandOtherChargesExpenseRecognitionDetails" roleURI="http://www.wdc.com/role/EmployeeTerminationAssetImpairmentandOtherChargesExpenseRecognitionDetails">
        <link:definition>0000078 - Disclosure - Employee Termination, Asset Impairment, and Other Charges - Expense Recognition (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="EmployeeTerminationAssetImpairmentandOtherChargesBusinessRealignmentActivitiesDetails" roleURI="http://www.wdc.com/role/EmployeeTerminationAssetImpairmentandOtherChargesBusinessRealignmentActivitiesDetails">
        <link:definition>0000079 - Disclosure - Employee Termination, Asset Impairment, and Other Charges - Business Realignment Activities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SubsequentEventsDetails" roleURI="http://www.wdc.com/role/SubsequentEventsDetails">
        <link:definition>0000080 - Disclosure - Subsequent Events (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="wdc_DebtInstrumentScheduleOfLeverageRatioTableTextBlock" abstract="false" name="DebtInstrumentScheduleOfLeverageRatioTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_TermLoanA2Member" abstract="true" name="TermLoanA2Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_LesseeOperatingLeasesSupplementalBalanceSheetDisclosuresTableTextBlock" abstract="false" name="LesseeOperatingLeasesSupplementalBalanceSheetDisclosuresTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_ComputerEquipmentandSoftwareMember" abstract="true" name="ComputerEquipmentandSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_RetailProductsMember" abstract="true" name="RetailProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_FlashPartnersLtdMember" abstract="true" name="FlashPartnersLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_PreferredStockConvertibleThresholdConsecutiveTradingDays" abstract="false" name="PreferredStockConvertibleThresholdConsecutiveTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdc_IncomeTaxExaminationEstimateofPossibleLossResultingFromTransferPricingAdjustments" abstract="false" name="IncomeTaxExaminationEstimateofPossibleLossResultingFromTransferPricingAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_TaxYears2008Through2015Member" abstract="true" name="TaxYears2008Through2015Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_StockRepurchaseProgramEffectiveUntilJuly252023Member" abstract="true" name="StockRepurchaseProgramEffectiveUntilJuly252023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_AccountsReceivableBenchmarkMember" abstract="true" name="AccountsReceivableBenchmarkMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_CloudMember" abstract="true" name="CloudMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_GuaranteeObligationsMaximumExposureYearTwo" abstract="false" name="GuaranteeObligationsMaximumExposureYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember" abstract="true" name="OnePointFiftyPercentSeniorConvertibleNotesDueTwoThousandTwentyFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCanceledOrExpiredInPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCanceledOrExpiredInPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="wdc_OtherCommitmentFutureBuildingDepreciationPrepayment" abstract="false" name="OtherCommitmentFutureBuildingDepreciationPrepayment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_ShareBasedCompensationArrangementByShareBasedPaymentAwardsEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardsEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="wdc_RemainingGuaranteeObligationsTableTextBlock" abstract="false" name="RemainingGuaranteeObligationsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_ForeignExchangeForwardContractsDesignatedMember" abstract="true" name="ForeignExchangeForwardContractsDesignatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_PreferredStockConvertibleConversionPricePercentage" abstract="false" name="PreferredStockConvertibleConversionPricePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_TopTenCustomersMember" abstract="true" name="TopTenCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_UnrecognizedTaxBenefitsPayable" abstract="false" name="UnrecognizedTaxBenefitsPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_EuropeMiddleEastAndAfricaMember" abstract="true" name="EuropeMiddleEastAndAfricaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_FlashForwardLtdMember" abstract="true" name="FlashForwardLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_PaymentsForLongTermLoansForRelatedParties" abstract="false" name="PaymentsForLongTermLoansForRelatedParties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_ClientDevicesMember" abstract="true" name="ClientDevicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_DelayedDrawTermLoanAgreementMember" abstract="true" name="DelayedDrawTermLoanAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_EmployeeTerminationBenefitsAndOtherChargesDisclosureTextBlock" abstract="false" name="EmployeeTerminationBenefitsAndOtherChargesDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax" abstract="false" name="OtherComprehensiveIncomeLossCashFlowHedgeGainLossAndAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_CommonStockValues" abstract="false" name="CommonStockValues" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantPeriodEightMember" abstract="true" name="DebtInstrumentCovenantPeriodEightMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_Employeeterminationassetimpairmentandothercharges" abstract="false" name="Employeeterminationassetimpairmentandothercharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantPeriodSevenMember" abstract="true" name="DebtInstrumentCovenantPeriodSevenMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_BusinessRealignmentActivitiesMember" abstract="true" name="BusinessRealignmentActivitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_EquityMethodInvestorNameAxis" abstract="true" name="EquityMethodInvestorNameAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantPeriodNineMember" abstract="true" name="DebtInstrumentCovenantPeriodNineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_UnisVentureMember" abstract="true" name="UnisVentureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_RestrictedStockUnitsAndPerformanceStockUnitsMember" abstract="true" name="RestrictedStockUnitsAndPerformanceStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_GuaranteeObligationsMaximumExposureYearFiveAndThereafter" abstract="false" name="GuaranteeObligationsMaximumExposureYearFiveAndThereafter" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantLeverageRatioMaximum" abstract="false" name="DebtInstrumentCovenantLeverageRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="wdc_TwoPointEightyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentyNineMember" abstract="true" name="TwoPointEightyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentyNineMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_NotesReceivableAndInvestmentsInRelatedParties" abstract="false" name="NotesReceivableAndInvestmentsInRelatedParties" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantOutstandingConvertibleNoteAmount" abstract="false" name="DebtInstrumentCovenantOutstandingConvertibleNoteAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_PaymentOfPrincipalAmortizationMember" abstract="true" name="PaymentOfPrincipalAmortizationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_LesseeOperatingLeasesSupplementalCashFlowDisclosuresTableTextBlock" abstract="false" name="LesseeOperatingLeasesSupplementalCashFlowDisclosuresTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_PurchaseObligationToBePaidAfterYearFour" abstract="false" name="PurchaseObligationToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_RelatedCostsAndFairValuesBasedOnQuotedMarketPricesTableTextBlock" abstract="false" name="RelatedCostsAndFairValuesBasedOnQuotedMarketPricesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_GrossMarginPercentage" abstract="false" name="GrossMarginPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_EquityMethodInvestorNameDomain" abstract="true" name="EquityMethodInvestorNameDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_GuaranteeObligationsMaximumExposureYearFour" abstract="false" name="GuaranteeObligationsMaximumExposureYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_WesternDigitalCorpMember" abstract="true" name="WesternDigitalCorpMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantPeriodOneMember" abstract="true" name="DebtInstrumentCovenantPeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans" abstract="false" name="TaxesPaidOnVestedStockAwardsUnderEmployeeStockPlans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_UnissoftWuxiGroupCoLtd.Member" abstract="true" name="UnissoftWuxiGroupCoLtd.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_PurchaseOptionExercisePriceMember" abstract="true" name="PurchaseOptionExercisePriceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_NotesReceivableAndInvestmentsInRelatedPartiesTableTextBlock" abstract="false" name="NotesReceivableAndInvestmentsInRelatedPartiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_EmployeeStockPurchasePlanMember" abstract="true" name="EmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_InvestmentFundingCommitments" abstract="false" name="InvestmentFundingCommitments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantPeriodDomain" abstract="true" name="DebtInstrumentCovenantPeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantPeriodAxis" abstract="true" name="DebtInstrumentCovenantPeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantPeriodThreeMember" abstract="true" name="DebtInstrumentCovenantPeriodThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_RestrictedStockUnitsAndPerformanceShareUnitsMember" abstract="true" name="RestrictedStockUnitsAndPerformanceShareUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_PartnersOwnershipInVentureBusiness" abstract="false" name="PartnersOwnershipInVentureBusiness" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_ShareRepurchaseProgramMember" abstract="true" name="ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_OtherMiscellaneousLiabilitiesNoncurrent" abstract="false" name="OtherMiscellaneousLiabilitiesNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantPeriodTwoMember" abstract="true" name="DebtInstrumentCovenantPeriodTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_PreferredStockConvertiblePercentageNotToExceedCommonStockOutstanding" abstract="false" name="PreferredStockConvertiblePercentageNotToExceedCommonStockOutstanding" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_HDDMember" abstract="true" name="HDDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_GuaranteeObligationsMaximumExposureRemainderOfFiscalYear" abstract="false" name="GuaranteeObligationsMaximumExposureRemainderOfFiscalYear" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember" abstract="true" name="FourPointSeventyFivePercentSeniorUnsecuredNotesDueTwoThousandTwentySixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_GuaranteeObligationsMaximumExposureYearOne" abstract="false" name="GuaranteeObligationsMaximumExposureYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_VariableInterestEntityMaximumLossExposureTableTextBlock" abstract="false" name="VariableInterestEntityMaximumLossExposureTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_ThreePointTenPercentSeniorUnsecuredNotesDueTwoThousandThirtyTwoMember" abstract="true" name="ThreePointTenPercentSeniorUnsecuredNotesDueTwoThousandThirtyTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantPeriodSixMember" abstract="true" name="DebtInstrumentCovenantPeriodSixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_AggregateValueOfRestrictedStockAwardsVested" abstract="false" name="AggregateValueOfRestrictedStockAwardsVested" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_UnrecognizedTaxBenefitsMandatoryDeemedRepatriationLiability" abstract="false" name="UnrecognizedTaxBenefitsMandatoryDeemedRepatriationLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_RevolvingCreditFacility2027Member" abstract="true" name="RevolvingCreditFacility2027Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_GuaranteeObligationsMaximumExposureYearThree" abstract="false" name="GuaranteeObligationsMaximumExposureYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_ProceedsFromLongTermLoansForRelatedParties" abstract="false" name="ProceedsFromLongTermLoansForRelatedParties" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdc_EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock" abstract="false" name="EmployeeServiceSharebasedCompensationUnrecognizedCostsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="wdc_NumberOfLegalEntities" abstract="false" name="NumberOfLegalEntities" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantPeriodFiveMember" abstract="true" name="DebtInstrumentCovenantPeriodFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_FlashAllianceLtdMember" abstract="true" name="FlashAllianceLtdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_FlashSegmentMember" abstract="true" name="FlashSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_OffBalanceSheetGuaranteeMember" abstract="true" name="OffBalanceSheetGuaranteeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_PreferredStockRedemptionAccumulatedStatedValuePercentage" abstract="false" name="PreferredStockRedemptionAccumulatedStatedValuePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdc_DebtInstrumentCovenantPeriodFourMember" abstract="true" name="DebtInstrumentCovenantPeriodFourMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdc_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
