Wren was the major

brand name A brand is a name, term, design, symbol or any other feature that distinguishes one seller's good or service from those of other sellers. Brands are used in business, marketing, and advertising for recognition and, importantly, to create an ...

for a series of 5.25-inch

hard disk A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnet ...

s produced by

Control Data Corporation Control Data Corporation (CDC) was a mainframe and supercomputer firm. CDC was one of the nine major United States computer companies through most of the 1960s; the others were IBM, Burroughs Corporation, DEC, NCR, General Electric, Honeywel ...

(CDC) for the

microcomputer A microcomputer is a small, relatively inexpensive computer having a central processing unit (CPU) made out of a microprocessor. The computer also includes memory and input/output (I/O) circuitry together mounted on a printed circuit board (PC ...

market during the 1980s. The brand evolved through seven major versions, I through VII, using custom attachments but later adapting

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 ...

and IDE. Other brands included the Elite 5.25-inch 5,400 RPM drives, the Swift 3.5-inch series and the relatively rare Sabre 8-inch drives. Wren was a major brand during the 1980s, especially in the high-end market where its 5,400 RPM voice-coil–based technology gave them a performance edge. However, by the 1980s, CDC was in the middle of selling itself off leading to its eventual disappearance. The drive division was spun off as Imprimis in 1986.

Seagate Technology Seagate Technology Holdings plc is an American data storage company. It was incorporated in 1978 as Shugart Technology and commenced business in 1979. Since 2010, the company has been incorporated in Dublin, Ireland, with operational headquart ...

, who had been lagging Wren and Elite in the high-performance market, purchased Imprimis and rebranded the entire line as Seagate in 1989.

External links

CDC Hard Disk Drives
{{Control Data Corporation Hard disk computer storage Control Data Corporation hardware