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IndustryStorage devices
Founded1988; 33 years ago (1988)
FoundersEli Harari
Sanjay Mehrotra
Jack Yuan
Number of employees
Increase 8,790
ParentWestern Digital Edit this at Wikidata

SanDisk is Western Digital's brand for flash memory products, including memory cards and readers, USB flash drives, and solid-state drives. The company was acquired by Western Digital in 2016.

As of March 2019, Western Digital is the fourth-largest manufacturer of flash memory having declined from third-largest in 2014.[1][2]


SanDisk founders: Jack Yuan, Eli Harari, and Sanjay Mehrotra (2010)
SanDisk Extreme Portable SSD

SanDisk was founded in 1988 by Eli Harari, Sanjay Mehrotra, and Jack Yuan, incorporated at the time as SunDisk.[3] SanDisk co-founder Eli Harari developed the Floating Gate EEPROM which proved the practicality, reliability and endurance of semiconductor-based data storage.[4]

In 1991 SanDisk produced the first flash based SSD in a 2.5-inch hard disk drive form factor for IBM with a 20 MB capacity priced at about $1,000.[5]

On May 10, 2000, the Toshiba Corporation of Japan and the SanDisk Corporation said that they would form a new semiconductor company to produce advanced flash memory, primarily for digital cameras.[6]

In 2005 SanDisk entered the digital audio player market with the release of its first flash-based MP3 player, named Sansa e100.[7]

SanDisk was acquired by hard disk drive manufacturer Western Digital on May 12, 2016 in a US$19 billion deal.[8][9]


  • In October 2005, SanDisk acquired Matrix Semiconductor.[10]
  • In July 2006, SanDisk acquired M-Systems.[11]
  • In May 2011, SanDisk acquired Pliant Technology, a manufacturer of solid state drives, for US$327 million.[12]
  • In February 2012, SanDisk acquired FlashSoft.[13]
  • In June 2012, SanDisk acquired Schooner Information Technology, developer of the flash-optimized database software SchoonerSQL and caching software Membrain.[13]
  • In July 2013, SanDisk acquired SMART Storage Systems, a producer of SSDs for the enterprise market, for US$307 million.[14]
  • In June 2014, SanDisk acquired Fusion-io, a producer of flash memory for enterprise data centers, for $1.1 billion.[15]

Awards and recognition[edit]

See also[edit]


  1. ^ Holst, Arne (June 5, 2019). "Quarterly market share held by NAND Flash memory manufacturers worldwide from 2010 to 2019". Statista. Retrieved July 1, 2019.
  2. ^ "Market View: NAND Flash Brand Supplier Revenue Falls 6.6% in First Quarter". DRAMeXchange. 2015-02-05. Retrieved 2015-07-23.
  3. ^ Harris, Scott Duke (2008-07-13). "Mercury News interview: SanDisk CEO helped launch digital revolution". The San Jose Mercury News. Retrieved 2008-08-06.
  4. ^ "Santa Clara Valley Chapter Meeting: 'Future Directions for Semiconductor Non-Volatile Memory". Santa Clara University: IEEE Electron Devices Society. January 16, 1990.
  5. ^ "A History of Innovation". Western Digital. 1991. Retrieved March 28, 2019.
  6. ^ "Toshiba and SanDisk Enter Joint Venture". The New York Times. Reuters. 2000-05-10. ISSN 0362-4331. Retrieved 2019-07-24.
  7. ^
  8. ^ Molina, Brett (2015-10-21). "Western Digital to acquire SanDisk for $19B". USA TODAY. Retrieved 2015-10-22.
  9. ^ Vincent, James (2016-05-12). "Western Digital Officially Closes SanDisk Acquisition". The Verge. Vox Media. Retrieved 2016-08-03.
  10. ^ Kawamoto, Dawn (2005-10-21). "SanDisk to acquire Matrix Semiconductor". CNET. Retrieved 2016-08-03.
  11. ^ "SanDisk To Buy msystems". The Street. 2006-07-31. Archived from the original on 2007-09-30. Retrieved 2006-08-21.
  12. ^ Kovar, Joseph F. (2011-05-16). "SanDisk Plans To Buy SSD Maker Pliant Technology". Retrieved 2016-08-03.
  13. ^ a b Kovar, Joseph F. (2012-06-27). "SanDisk Buys Schooner, Moves Into Enterprise Software Space". Retrieved 2016-08-03.
  14. ^ Dignan, Larry (2013-07-02). "SanDisk acquires SMART Storage Systems for $307 million". ZDNet. Retrieved 2016-08-03.
  15. ^ Hesseldahl, Arik (2014-06-16). "SanDisk to Acquire Troubled Fusion-io for $1.2 Billion". Recode. Vox Media. Retrieved 2016-08-03.
  16. ^ Lezhnev, Sasha; Hellmuth, Alex (Aug 2012). "Taking Conflict Out of Consumer Gadgets: Company Rankings on Conflict Minerals 2012" (PDF). Enough Project. Retrieved 2012-08-17.
  17. ^ Fairsmith, Christine (2014-10-24). "Eli Harari *73 receives honor from President Obama". School of Engineering and Applied Science. Princeton University. Retrieved 2019-07-24.
  18. ^ "Flash Memory Lifetime Achievement Award 2019 - Sanjay Mehrotra". Retrieved 2021-01-13.

External links[edit]

Coordinates: 37°25′07.6″N 121°55′25.9″W / 37.418778°N 121.923861°W / 37.418778; -121.923861