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Hitachi GST

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Title: Hitachi GST  
Author: World Heritage Encyclopedia
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Subject: Terabyte, DFT, History of hard disk drives, Error recovery control
Publisher: World Heritage Encyclopedia

Hitachi GST

Not to be confused with Hitachi Data Systems.
Subsidiary of a public company
Industry Computer storage devices
Predecessor(s) Hitachi Global Storage Technologies
Founded 2003
Headquarters San Jose, California, United States
Area served Worldwide
Key people John F. Coyne (CEO & President)
Steve Milligan (President)
Products Hard disk drives
Employees 45,000
Parent Western Digital

HGST, Inc. (formerly Hitachi Global Storage Technologies) is a wholly owned subsidiary of Western Digital that sells hard disk drives, solid-state drives, and external storage products and services.[1]


Hitachi Global Storage Technologies was founded in 2003 as a merger of the hard disk drive businesses of IBM and Hitachi.[2] Hitachi paid IBM US$2.05 billion for its HDD business.[3]

On March 8, 2012, Western Digital (WD) acquired Hitachi Global Storage Technologies for $3.9 billion in cash and 25 million shares of WD common stock valued at approximately $0.9 billion. The deal resulted in Hitachi, Ltd. owning approximately 10 percent of WD shares outstanding, and reserving the right to designate two individuals to the board of directors of WD. It was agreed that WD would operate with WD Technologies and HGST as wholly owned subsidiaries and they would compete in the marketplace with separate brands and product lines.[4][5][6]

To address the requirements of regulatory agencies, in May 2012 WD divested to Toshiba assets that enabled Toshiba to manufacture and sell 3.5-inch hard drives for the desktop and consumer electronics markets.[7][8]

Hitachi Global Storage Technologies Japan, Ltd. is the Japanese branch of Hitachi Global Storage Technologies, Inc.


Hard Drives and Solid State Drives

  • SATA interfaces; and a line of 3.5-inch and 2.5-inch Fiber Channel and SAS SSDs.
  • Deskstar – Desktop-class line in 3.5-inch form factor with PATA and SATA interfaces.
  • Travelstar – Mobile-class line in 2.5-inch form factor with PATA and SATA interfaces.
  • PATA interface, primarily for automotive applications.
  • Cinemastar – 3.5-inch and 2.5-inch form factors, optimized for consumer electronics applications requiring quiet operation and streaming support.

External storage

LifeStudio products, announced in 2010 but now discontinued, were external hard drives that combine photo organization software, a 3D Wall for displaying content, a connected USB Flash key.[9][10][11]

G-Technology external storage products, acquired in 2009,[12] are sold to Apple Macintosh communities, including users of multimedia content such as Final Cut Pro digital audio/video production professionals.

Touro family of cloud storage backup products.

See also


External links

  • HGST (English)
  • 日立グローバルストレージテクノロジーズ (Japanese)
  • "Hitachi Establishes 'Hitachi Global Storage Technologies,' Taking a Bold New Step for Storage Innovation" (Hitachi, Ltd. press release)


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