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Exhibit 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
The Board of Directors
Western Digital Corporation:
We consent to the incorporation by reference in the registration statements on Forms S-8 (Nos. 2-76179,
2-97365, 33-9853, 33-57953, 33-60166, 33-60168, 33-51725, 333-20359, 333-31487, 333-41423, 333-42991,
333-70413, 333-95499, 333-36332, 333-56738, 33-24585, 33-33365, 33-56128, 333-107227, 333-111130,
333-122475, 333-129813, 333-155661, 333-163133, 333-180286, 333-185194, and 333-190290) of Western
Digital Corporation of our reports dated August 16, 2013, with respect to the consolidated balance sheets of Western
Digital Corporation and subsidiaries as of June 28, 2013 and June 29, 2012 and the related consolidated statements of
income, comprehensive income, shareholders' equity, and cash flows for each of the years in the three-year period
ended June 28, 2013, and the related financial statement schedule, and the effectiveness of internal control over finan-
cial reporting as of June 28, 2013, which reports appear in the June 28, 2013, Annual Report on Form 10-K of West-
ern Digital Corporation.
/s/
KPMG LLP
August 16, 2013
Irvine, California