Adaptec was a
computer storage
Computer data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers.
The central processing unit (CPU) of a comput ...
company and remains a brand for computer storage products. The company was an independent firm from 1981 to 2010, at which point it was acquired by
PMC-Sierra, which itself was later acquired by
Microsemi, which itself was later acquired by
Microchip Technology.
History

Larry Boucher, Wayne Higashi, and Bernard Nieman founded Adaptec in 1981. At first, Adaptec focused on devices with
Parallel SCSI interfaces. Popular
host bus adapters included the 154x/15xx
ISA
Isa or ISA may refer to:
Places
* Isa, Amur Oblast, Russia
* Isa, Kagoshima, Japan
* Isa, Nigeria
* Isa District, Kagoshima, former district in Japan
* Isa Town, middle class town located in Bahrain
* Mount Isa, Queensland, Australia
* Mount Is ...
family, the 2940
PCI family, and the 29160/-320 family. Their cross-platform
ASPI was an early
API for accessing and integrating non-
disk devices like
tape drive
A tape drive is a data storage device that reads and writes data on a magnetic tape. Magnetic tape data storage is typically used for offline, archival data storage. Tape media generally has a favorable unit cost and a long archival stability.
...
s,
scanners
''Scanners'' is a 1981 Canadian science fiction horror film written and directed by David Cronenberg and starring Stephen Lack, Jennifer O'Neill, Michael Ironside, and Patrick McGoohan. In the film, "scanners" are psychics with unusual telepathic ...
and
optical disks
In computing and optical disc recording technologies, an optical disc (OD) is a flat, usually circular disc that encodes binary data (bits) in the form of pits and lands on a special material, often aluminum, on one of its flat surfaces ...
. With advancements in technology,
RAID functions were added while interfaces evolved to
PCIe
PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X and AGP bus standards. It is the common m ...
and
SAS
SAS or Sas may refer to:
Arts, entertainment, and media
* ''SAS'' (novel series), a French book series by GĂ©rard de Villiers
* ''Shimmer and Shine'', an American animated children's television series
* Southern All Stars, a Japanese rock ba ...
.
On May 10, 2010,
PMC-Sierra, Inc. and Adaptec, Inc. announced they had entered into a definitive agreement of PMC-Sierra acquiring Adaptec's channel storage business on May 8, 2010, which included Adaptec's
RAID storage product line, the Adaptec brand, a global value added reseller customer base, board logistics capabilities, and SSD cache performance solutions. The transaction was expected to close in approximately 30 days, subject to customary closing conditions.
Following the sale, Adaptec would retain its Aristos ASIC technology business, certain real estate assets, more than 200 patents, and approximately $400 million in cash and marketable securities.
On June 8, 2010, PMC-Sierra and Adaptec announced the completion of the acquisition. PMC-Sierra renamed the channel storage business "Adaptec by PMC". PMC-Sierra was in turn acquired by
Microsemi in January 2016.
The old Adaptec, Inc. changed its name to ADPT Corporation, and then again to Steel Excel, Inc. Steel Excel is now an
investment firm.
Products
Adaptec produced interface products involving
SCSI
Small Computer System Interface (SCSI, ) is a set of standards for physically connecting and transferring data between computers and peripheral devices. The SCSI standards define commands, protocols, electrical, optical and logical interface ...
,
USB,
IEEE 1394,
iSCSI
Internet Small Computer Systems Interface or iSCSI ( ) is an Internet Protocol-based storage networking standard for linking data storage facilities. iSCSI provides block-level access to storage devices by carrying SCSI commands over a TCP/I ...
,
Fibre Channel
Fibre Channel (FC) is a high-speed data transfer protocol providing in-order, lossless delivery of raw block data. Fibre Channel is primarily used to connect computer data storage to servers in storage area networks (SAN) in commercial data c ...
, and video. Adaptec once produced CD- and DVD-burning software under the brand names of
Easy CD Creator and
Toast, as well as
network-attached storage devices such as the
Snap Server product line.
The Adaptec brand is used to sell host bus adapters, RAID adapters, SAS expander cards, cables, and accessories.
[http://www.adaptec.com/en-us/products/]
Sources
''The New York Times'': November 2, 1999 - "Adaptec Looks To Strengthen Data-Storage Line"
References
External links
{{Portal, Companies, San Francisco Bay Area
Funding Universe History of Adaptec
Technology companies established in 1981
Computer storage companies
Companies based in Sunnyvale, California
Electronics companies of the United States
1981 establishments in California