EX-21 4 wdc-2020q4ex21.htm EX-21
Exhibit 21
WESTERN DIGITAL CORPORATION
SUBSIDIARIES OF THE COMPANY

Name of Entity | State or Other Jurisdiction of Incorporation or Organization
Amplidata N.V. | Belgium
EasyStore Memory Limited | Ireland
Fusion Multisystems Ltd. | Canada
Fusion-io (Beijing) Info Tech Co., Ltd | China
Fusion-io Holdings S.A.R.L. | Luxembourg
Fusion-io LLC | Delaware
Fusion-io Poland SP.Z.O.O. | Poland
Fusion-io Singapore Private Ltd | Singapore
HGSP (Shenzhen) Co., Ltd. | China
HGSP Holdco Hong Kong Limited | Hong Kong
HGST (Shenzhen) Co., Ltd. | China
HGST (Thailand) Ltd. | Thailand
HGST Asia Pte. Ltd. | Singapore
HGST Consulting (Shanghai) Co., Ltd. | China
HGST Europe, Ltd. | United Kingdom
HGST Japan, Ltd. | Japan
HGST Malaysia Sdn. Bhd. | Malaysia
HGST Netherlands B.V. | Netherlands
HGST Philippines Corp. | Philippines
HGST Singapore Pte. Ltd. | Singapore
HGST Technologies India Private Limited | India
HGST Technologies Malaysia Sdn. Bhd. | Malaysia
HGST, Inc. | Delaware
HICAP Properties Corp. | Philippines
Keen Personal Media, Inc. | Delaware
Pacifica Insurance Corporation | Hawaii
Prestadora SD, S. de R.L. de C.V. | Mexico
Read-Rite Philippines, Inc. | Philippines
Sandbox Expansion LLC | Delaware
SanDisk (Cayman) Limited | Cayman Islands
SanDisk (Ireland) Limited | Ireland
SanDisk 3D IP Holdings Ltd | Cayman Islands
SanDisk B.V. | Netherlands
SanDisk Bermuda Limited | Bermuda
SanDisk Bermuda Unlimited | Bermuda
SanDisk BiCS IP Holdings Ltd | Cayman Islands
SanDisk Brasil Participações Ltda. | Brazil
SanDisk C.V. | Netherlands

SanDisk China Limited | Ireland
SanDisk China LLC | Delaware
SanDisk Equipment Y.K. | Japan
SanDisk Flash B.V. | Netherlands
SanDisk France SAS | France
SanDisk G.K. | Japan
SanDisk GmbH | Germany
SanDisk Holding B.V. | Netherlands
SanDisk Hong Kong Limited | Hong Kong
SanDisk India Device Design Centre Private Limited | India
SanDisk Information Technology (Shanghai) Co. Ltd. | China
SanDisk International Holdco B.V. | Netherlands
SanDisk International Limited | Ireland
SanDisk International Middle East FZE | United Arab Emirates
SanDisk Italy S.R.L. | Italy
SanDisk Korea Limited | Korea
SanDisk Latin America Holdings LLC | Delaware
SanDisk LLC | Delaware
SanDisk Malaysia Sdn. Bhd. | Malaysia
SanDisk Manufacturing Americas, LLC | Delaware
SanDisk Manufacturing Unlimited Company | Ireland
SanDisk Operations Holdings Limited | Ireland
SanDisk Pazarlama Ve Ticaret Limited Sirketi | Turkey
SanDisk Scotland, Limited | United Kingdom
SanDisk Semiconductor (Shanghai) Co. Ltd. | China
SanDisk Spain, S.L.U. | Spain
SanDisk Storage Malaysia Sdn. Bhd. | Malaysia
SanDisk Sweden AB | Sweden
SanDisk Switzerland Sarl | Switzerland
SanDisk Taiwan Limited | Taiwan
SanDisk Technologies LLC | Texas
SanDisk Technologies India Private Limited (formerly known as Tegile Systems Private Limited) | India
SanDisk Trading (Shanghai) Co. Ltd. | China
SanDisk Trading Holdings Limited | Ireland
SanDisk UK, Limited | United Kingdom
SanDisk, Limited | Japan
SD International Holdings Ltd. | Cayman Islands
SMART Storage Systems GmbH | Austria
STEC Bermuda, LP | Bermuda
STEC Europe B.V. | Netherlands
STEC International Holding, Inc. | California
STEC Italy SRL | Italy

STEC R&D Limited | Cayman Islands
Suntech Realty, Inc. | Philippines
Virident Systems International Holdings Ltd. | Cayman Islands
Virident Systems, LLC | Delaware
WD Media (Malaysia) Sdn. | Malaysia
WD Media (Singapore) Pte. Ltd. | Singapore
Western Digital (Argentina) S.A. | Argentina
Western Digital (France) SARL | France
Western Digital (I.S.) Limited | Ireland
Western Digital (Malaysia) Sdn. Bhd. | Malaysia
Western Digital (S.E. Asia) Pte Ltd | Singapore
Western Digital (Singapore) Pte. Ltd. | Singapore
Western Digital (Thailand) Company Limited | Thailand
Western Digital (UK) Limited | United Kingdom
Western Digital Australia Pty Ltd | Australia
Western Digital Canada Corporation | Ontario, Canada
Western Digital Capital Global, Ltd. | Cayman Islands
Western Digital Capital, LLC Western Digital Denmark ApS | Delaware Denmark
Western Digital Deutschland GmbH | Germany
Western Digital Do Brasil Comercio E Distribuicao De Produtos De Informatica Ltda. | Brazil
Western Digital Federal, LLC | Delaware
Western Digital Hong Kong Limited | Hong Kong
Western Digital Information Technology (Shanghai) Company Ltd. | China
Western Digital International Ltd. | Cayman Islands
Western Digital Ireland, Ltd. | Cayman Islands
Western Digital Israel Ltd. (formerly known as SanDisk IL Ltd.) | Israel
Western Digital Japan Ltd. | Japan
Western Digital Korea, Ltd. | Korea
Western Digital Latin America, Inc. | Delaware
Western Digital Netherlands B.V. | Netherlands
Western Digital Taiwan Co., Ltd. | Taiwan
Western Digital Tech and Regional Center (M) Sdn. Bhd. | Malaysia
Western Digital Technologies, Inc. | Delaware