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SanDisk Corporation
Brand division
Industry Storage devices
Founded 1988; 31 years ago
Founders Eli Harari, Sanjay Mehrotraand Jack Yuan


Parent Western Digital

SanDisk founded in 1988 is today a brand of Western Digital (WD) for flash memory products, including memory cardsand readers, USB flash drives, and solid state drives. It was acquired by WD in 2016.

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


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

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 $1000.[5]

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

SanDisk was acquired by hard disk drive manufacturer WD on May 12, 2016 in a US$19 billion deal.[7][8] Since the acquisition SanDisk has been losing market share.[9][1]


  • In October 2005, SanDisk acquired Matrix Semiconductor.[10]
  • In July 2006, SanDisk acquired M-Systems.[11]
  • In May 2011, SanDisk acquired Pilant 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 datacenters, for $1.1 billion.[15]

Awards and recognition[edit]

See also[edit]


  1. Jump up to:a b “Quarterly market share held by NAND Flash memory manufacturers worldwide from 2010 to 2019”. Statista. June 5, 2019. 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”. New York Times. May 10, 2000.
  7. ^ “Western Digital to acquire SanDisk for $19B”USA Today. Gannett Company. October 21, 2015. Retrieved October 22, 2015.
  8. ^ “Western Digital officially closes SanDisk acquisition”The Verge. Vox Media. May 12, 2016. Retrieved August 3, 2016.
  9. ^ “Two years and $19bn later: What happened to WD’s SanDisk enterprise flash advantage?”. The Register. March 7, 2018. Retrieved July 1, 2019Market position evaporating in front of our eyes
  10. ^ “SanDisk to acquire Matrix Semiconductor”CNET. Retrieved 3 August 2016.
  11. ^ “SanDisk To Buy msystems”. The Street. 2006-07-31. Archived from the original on 2007-09-30. Retrieved 2006-08-21.
  12. ^ “SanDisk Plans To Buy SSD Maker Pliant Technology” Retrieved 3 August 2016.
  13. Jump up to:a b “SanDisk Buys Schooner, Moves Into Enterprise Software Space” Retrieved 3 August 2016.
  14. ^ “SanDisk acquires SMART Storage Systems for $307 million”ZDNet. Retrieved 3 August 2016.
  15. ^ “SanDisk to Acquire Troubled Fusion-io for $1.2 Billion”Recode. Vox Media. Retrieved 3 August 2016.
  16. ^ Fairsmith, Christine (Oct 24, 2014). “ELI HARARI ’73 RECEIVES HONOR FROM PRESIDENT OBAMA”Princeton. Retrieved 2014-10-24.
  17. ^ Lezhnev, Sasha; Alex Hellmuth (Aug 2012). “Taking Conflict Out of Consumer Gadgets: Company Rankings on Conflict Minerals 2012” (PDF)Enough Project. Retrieved 2012-08-17.

External links[edit]

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