-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 BRTpvlOBp/MP3mywaINR2YNUjZHZooyaD1ub1WBGDl6zb0HjW6gObPlg6MQxkXKt
 Rp5gSltH9OIJYEwDvNSV+A==

<SEC-DOCUMENT>0001266824-10-000026.txt : 20100831
<SEC-HEADER>0001266824-10-000026.hdr.sgml : 20100831
<ACCEPTANCE-DATETIME>20100831200056
ACCESSION NUMBER:		0001266824-10-000026
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20100831
FILED AS OF DATE:		20100831
DATE AS OF CHANGE:		20100831

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESTERN DIGITAL CORP
		CENTRAL INDEX KEY:			0000106040
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER STORAGE DEVICES [3572]
		IRS NUMBER:				330956711
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0629

	BUSINESS ADDRESS:	
		STREET 1:		20511 LAKE FOREST DRIVE
		CITY:			LAKE FOREST
		STATE:			CA
		ZIP:			92630
		BUSINESS PHONE:		9499325000

	MAIL ADDRESS:	
		STREET 1:		20511 LAKE FOREST DRIVE
		CITY:			LAKE FOREST
		STATE:			CA
		ZIP:			92630

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GENERAL DIGITAL CORP
		DATE OF NAME CHANGE:	19730125

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lauer Len J
		CENTRAL INDEX KEY:			0001202231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08703
		FILM NUMBER:		101051149

	MAIL ADDRESS:	
		STREET 1:		2001 EDMUND HALLEY DRIVE
		CITY:			RESTON
		STATE:			VA
		ZIP:			20191

	FORMER NAME:	
		FORMER CONFORMED NAME:	LAUER LEN J
		DATE OF NAME CHANGE:	20021029
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-08-31</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000106040</issuerCik>
        <issuerName>WESTERN DIGITAL CORP</issuerName>
        <issuerTradingSymbol>WDC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001202231</rptOwnerCik>
            <rptOwnerName>Lauer Len J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WESTERN DIGITAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>20511 LAKE FOREST DRIVE</rptOwnerStreet2>
            <rptOwnerCity>LAKE FOREST</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92630</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>See Footnote</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">No securities of Issuer beneficially owned</footnote>
    </footnotes>

    <remarks>Exhibit List:
Exhibit 24 - Power-of-Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Sandra Garcia Attorney-in-Fact for Len J. Lauer</signatureName>
        <signatureDate>2010-08-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa-lauerl083110.txt
<DESCRIPTION>POWER-OF-ATTORNEY
<TEXT>
LIMITED POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and
appoints each of Michael Ray, Ryan Bunker, Sandra Garcia
and Van Huynh, signing singly, the undersigned's true and lawful attorney
in fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer and/or director of Western Digital Corporation
(the "Company"), Forms 3, 4, and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder;

(2) do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such
Form 3, 4, or 5, complete and execute any amendment or amendments thereto,
and timely file such form with the United States Securities and Exchange
Commission and any stock exchange or similar authority; and

(3) take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney in fact, may be of
benefit to, in the best interest of, or legally required by, the undersigned,
it being understood that the documents executed by such attorney in fact on
behalf of the undersigned pursuant to this Power of Attorney shall be in such
form and shall contain such terms and conditions as such attorney in fact
may approve in such attorney in fact's discretion.


The undersigned hereby grants to each such attorney in fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the
rights and powers herein granted, as fully to all intents and purposes
as the undersigned might or could do if personally present, with full
power of substitution or revocation, hereby ratifying and confirming
all that such attorney in fact, or such attorney in fact's substitute
or substitutes, shall lawfully do or cause to be done by virtue of this
limited power of attorney and the rights and powers herein granted.  The
undersigned acknowledges that the foregoing attorneys in fact, in serving
in such capacity at the request of the undersigned, are not assuming, nor
is the Company assuming, any of the undersigned's responsibilities to
comply with Section 16 of the Securities Exchange Act of 1934.


This Limited Power of Attorney shall remain in full force and effect until
the undersigned is no longer required to file Forms 3, 4, and 5 with respect
to the undersigned's holdings of and transactions in securities issued by
the Company, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys in fact.


IN WITNESS WHEREOF, the undersigned has caused this Limited Power of Attorney
to be executed as of this 27 day of August, 2010.



		/s/ Len J. Lauer
			Signature

		Len J. Lauer
			Print Name
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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