half-height drive

half-height drive

[¦haf ‚hīt ′drīv]
(computer science)
A personal-computer disk drive whose height is half that of earlier disk drives.

half-height drive

A 5.25" storage drive that takes up half the vertical space of first-generation drives in desktop computers. Measuring 1 5/8" in height, the half-height drive was commonly used for 5.25" floppy and hard disks. Floppy drives are history, and hard drives today are 3.5", 2.5" and 1.8". However, the half-height 5.25" form factor is still used for CD/DVD drives and certain tape drives. Contrast with full-height drive.
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25 half-height drive bay of a forensic workstation.
Tandberg Data, a data storage company, has announced that IBM is to market the company's LTO 2 half-height drive as its 200/400GB half-high LTO Generation 2 Tape Drive.
While LTO tape technology has captured a significant share of the enterprise market, we believe the Tandberg LTO-2 half-height drive will provide an entry into LTO technology for the small to medium business.
Units can be as small as a half-height drive that resides in a PC, to systems as large as a desk that provide 100 kVA (kilovolt-amperes) or more.
The system is easy to upgrade and users can add additional devices as needed, with a total of 10 half-height drive bays available.
The CM 202 is a 5 1/4-inch half-height drive that offers a rapid access time of less than 350 msec, a 40,000 hour MTBF, embedded audio capability and one of the fastest serial interfaces.