SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* SHAKEEL ARIF (Last) (First) (Middle) C/O WESTERN DIGITAL CORPORATION 20511 LAKE FOREST DRIVE (Street) LAKE FOREST CA 92630-7741 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol WESTERN DIGITAL CORP [ WDC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner X Officer (give title below) Other (specify below) President and COO
	3. Date of Earliest Transaction (Month/Day/Year) 02/01/2005
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/01/2005		M		86,600	A	$6.9375	441,591	D
Common Stock	02/01/2005		M		100,000	A	$6.95	541,591	D
Common Stock	02/01/2005		M		285,800	A	$6	827,391	D
Common Stock	02/01/2005		S		100,000	D	$10.95	727,391	D
Common Stock	02/01/2005		S		100,000	D	$10.99	627,391	D
Common Stock	02/01/2005		S		75,400	D	$11.05	551,991	D
Common Stock	02/01/2005		S		7,500	D	$11.06	544,491	D
Common Stock	02/01/2005		S		2,100	D	$11.07	542,391	D
Common Stock	02/01/2005		S		2,000	D	$11.08	540,391	D
Common Stock	02/01/2005		S		13,000	D	$11.09	527,391	D
Common Stock	02/01/2005		S		62,400	D	$11.1	464,991	D
Common Stock	02/01/2005		S		10,000	D	$11.11	454,991	D
Common Stock	02/01/2005		S		100,000	D	$11.12	354,991	D
Common Stock	02/02/2005		S		1,500	D	$11.55	353,491	D
Common Stock	02/02/2005		S		3,500	D	$11.56	349,991	D
Common Stock	02/03/2005		S		2,600	D	$11.61	347,391	D
Common Stock	02/03/2005		S		2,391	D	$11.63	345,000	D
Common Stock								4,266	I	by Trust 401(K)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (right to buy)	$6	02/01/2005		M			285,800	04/27/2001(1)	10/27/2010	Common Stock	285,800	$0	0	D
Employee Stock Option (right to buy)	$6.9375	02/01/2005		M			86,600	04/19/2000(2)	04/19/2009	Common Stock	86,600	$0	0	D
Employee Stock Option (right to buy)	$6.95	02/01/2005		M			100,000	07/17/2002(3)	01/17/2012	Common Stock	100,000	$0	0	D

Explanation of Responses:

1. The option vested 25% 6 months from the grant date of October 27, 2000, and the remaining 75% vested in three equal installments on October 27, 2001, 2002 and 2003.

2. The option vested 25% 12 months from the grant date of April 19, 1999 and 6.25% at the end of each three-month period thereafter.

3. The option vested 25% 6 months from the grant date of January 17, 2002 and the remaining 75% vested in three equal installments on January 17, 2003, 2004 and 2005.

Remarks:

The reporting owner acquired 649.9615 shares of WDC common stock in an exempt transaction under the issuer's 401(k) plan since his last filing. The reported indirect holdings are based on shares held under the 401(k) plan as of January 31, 2005.

	By: /s/ Sandra Garcia Attorney-in-Fact For: Arif Shakeel	02/03/2005
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (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).
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