Adaptec, Inc. was a company that made computer storage products. It started in 1981 and was its own company until 2010. Then, another company called PMC-Sierra bought it. Later, PMC-Sierra was bought by Microsemi, and Microsemi was bought by Microchip Technology
Three people—Larry Boucher, Wayne Higashi, and Bernard Nieman—started Adaptec in 1981. At first, Adaptec made tools for computers that used a system called Parallel SCSI. Their popular products included adapters for computers, such as:
They also made software called ASPI to help connect devices like tape drives, scanners, and special disks. As technology improved, they added new features like RAID and used newer connections like PCIe and SAS.
In the 1990s, Adaptec bought other companies to grow. Some examples:
In 2010, PMC-Sierra bought most of Adaptec’s business, including:
After the sale, Adaptec kept some of its old technology, patents, and real estate, plus about $400 million in cash. The deal was completed on June 8, 2010, and PMC-Sierra renamed the storage business "Adaptec by PMC".
Later, PMC-Sierra was bought by Microsemi in 2016. The old Adaptec company changed its name twice, first to ADPT Corporation, and then to Steel Excel, Inc. Steel Excel is now an investment company.
Adaptec made many different products for computers, like:
Today, the Adaptec brand is still used to sell:
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