Exhibit 21

WESTERN DIGITAL CORPORATION
SUBSIDIARIES OF THE COMPANY

	State or Other Jurisdiction of
Name of Entity	Incorporation or Organization
Pacifica Insurance Corporation		Hawaii
Read-Rite International		Cayman Islands
Read-Rite (Malaysia) Sdn. Bhd.		Malaysia
Read-Rite Philippines, Inc.		Philippines
Western Digital Canada Corporation		Ontario, Canada
Western Digital (Deutschland) GmbH		Germany
Western Digital (France) SARL		France
Western Digital (Fremont), LLC		Delaware
Western Digital Hong Kong Limited		Hong Kong
Western Digital Ireland, Ltd.		Cayman Islands
Western Digital (I.S.) Limited		Ireland
Western Digital Japan Ltd.		Japan
Western Digital Korea, Ltd.		Republic of Korea
Western Digital Latin America, Inc.		Delaware
Western Digital (Malaysia) Sdn. Bhd.		Malaysia
Western Digital Netherlands B.V.		The Netherlands
Western Digital (S.E. Asia) Pte Ltd.		Singapore
Western Digital Taiwan Co., Ltd.		Taiwan
Western Digital Technologies, Inc.		Delaware
Western Digital (Thailand) Company Limited		Thailand
Western Digital (UK) Limited		England
Western Digital Ventures, Inc.		Delaware
RS Patent Holding Corporation		Delaware
Keen Personal Media, Inc.		Delaware
Keen Personal Technologies, Inc.		Delaware