[4] SanDisk co-founder Eli Harari developed the Floating Gate EEPROM which proved the practicality, reliability and endurance of semiconductor-based data storage.

[13] In July 2013, SanDisk acquired SMART Storage Systems, a producer of SSDs for the enterprise market, for $307 million.

[14] In June 2014, SanDisk acquired Fusion-io, a producer of flash memory for enterprise data centers, for $1.1 billion.

[20] The acquisition was completed on May 12, 2016; the valuation was lowered to $16 billion after Chinese company Unisplendour pulled out of an agreement to acquire a 15% stake in WD.

The company began preparations for the split in October 2024, including moving all of Western Digital-branded flash storage products under SanDisk's website.