sTec is an American computer data storage technology company headquartered in California , with research and development, sales, support or manufacturing sites in China, India, Japan, Malaysia, Silicon Valley (USA), and Taiwan.

sTec, formerly Simple Technology, was founded by Manouch Moshayedi and Mark Moshayedi in 1990. The company designs, develops and manufactures solid-state drives (SSDs) based on flash memory and dynamic random access memory (DRAM), providing them to data center environments and original equipment manufacturer (OEM) customers.

Customers include Dell, EMC, Fujitsu, HP, and IBM. sTec also has distributors, resellers and system integrators.

sTec was acquired by HGST, a Western Digital company. Western Digital completed the acquisition of sTec on September 12, 2013.