FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   MOGHADAM HOSSEIN M 2. Date of Event Requiring Statement (Month/Day/Year) 11/18/2004 3. Issuer Name and Ticker or Trading Symbol WESTERN DIGITAL CORP [WDC] (Last) (First) (Middle) C/O WESTERN DIGITAL CORPORATION, 20511 LAKE FOREST DRIVE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Sr. VP, Research & Development 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) LAKE FOREST, CA 92630-7741 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 73,499 (1) D Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (right to buy)	09/26/2002(2)	09/26/2011	Common Stock	22,500	$ 2.1	D	Â
Employee Stock Option (right to buy)	09/23/2003(3)	09/23/2012	Common Stock	75,000	$ 3.85	D	Â
Employee Stock Option (right to buy)	05/30/2002(4)	11/30/2011	Common Stock	10,000	$ 4.71	D	Â
Employee Stock Option (right to buy)	10/27/2001(5)	10/27/2010	Common Stock	7,500	$ 6	D	Â
Employee Stock Option (right to buy)	10/09/2001(6)	10/09/2010	Common Stock	183,750	$ 6.1875	D	Â
Employee Stock Option (right to buy)	09/03/2005(3)	09/03/2014	Common Stock	10,000	$ 8.01	D	Â
Employee Stock Option (right to buy)	11/09/2005(3)	11/09/2014	Common Stock	48,000	$ 8.89	D	Â
Employee Stock Option (right to buy)	10/24/2004(3)	10/24/2013	Common Stock	50,000	$ 12.84	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
MOGHADAM HOSSEIN M C/O WESTERN DIGITAL CORPORATION 20511 LAKE FOREST DRIVE LAKE FOREST, CA 92630-7741	Â	Â	  Sr. VP, Research & Development	Â

Signatures

By: /s/ Sandra Garcia Attorney-in-Fact For: Hossein M. Moghadam		11/29/2004
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The direct ownership includes 33,520 shares of restricted stock that remains unvested and 8,253 shares that the reporting person has acquired through the issuer's Employee Stock Purchase Plan.
(2)	On the grant date, a stock option to purchase 36,000 shares was granted, of which 13,500 shares have been exercised by the reporting person. The option vests 25% on the first anniversary of the grant date and 6.25% at the end of each three-month period thereafter.
(3)	The option vests 25% on the first anniversary of the grant date and 6.25% at the end of each three-month period thereafter.
(4)	On the grant date, a stock option to purchase 40,000 shares was granted, of which 30,000 shares have been exercised by the reporting person. The option vests 25% at the end of each consecutive six-month period after the grant date.
(5)	On the grant date, a stock option to purchase 20,000 shares was granted, of which 12,500 shares have been exercised by the reporting person. The option vests 25% on the first anniversary of the grant date and 6.25% at the end of each three-month period thereafter.
(6)	On the grant date, a stock option to purchase 250,000 shares was granted, of which 66,250 shares have been exercised by the reporting person. The option vests 25% on the first anniversary of the grant date and 6.25% at the end of each three-month period thereafter.
  Remarks: Exhibit List: Exhibit 24 - Power-of-Attorney

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