November 4, 2019 Robert Eulau Chief Financial Officer Western Digital Corporation 5601 Great Oaks Parkway San Jose, California 95119 Re: Western Digital Corporation Form 10-K for the Fiscal Year Ended June 28, 2019 Filed August 27, 2019 File No. 001-08703 Dear Mr. Eulau: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Technology