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A hard disk drive (HDD), hard disk, hard drive, or fixed disk [a] 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 magnetic material.
A hard disk drive is a computer storage device containing rigid rotating platters. Hard Drive may also refer to: Solid-state drive, a computer storage device that has no moving parts; Hard Drive (The Sorry Kisses album), a 2008 album by The Sorry Kisses; Hard Drive (Art Blakey album), a 1957 album by Art Blakey and the Jazz Messengers
A disk drive is a device implementing such a storage mechanism. Notable types are hard disk drives (HDD), containing one or more non-removable rigid platters; the floppy disk drive (FDD) and its removable floppy disk; and various optical disc drives (ODD) and associated optical disc media.
Permanent storage or non-volatile memory is typically higher capacity and cheaper than memory, but takes much longer to access. Historically, such storage was typically provided in the form of a hard drive, but solid-state drives (SSD) are becoming cheaper and are much faster, thus leading to their increasing adoption. USB drives and network or ...
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The IBM PC XT in 1983, included an internal standard 10 MB hard disk drive and IBM's version of Xebec's hard disk drive controller, and soon thereafter internal hard disk drives proliferated on personal computers, one popular type was the ST506/ST412 hard drive and MFM interface.
Hard disk drive; Hand Drawn Dracula, a record label; Head-down display; Heating degree day; High definition display; Honorary Doctor of Divinity; Horizontal Directional Drilling; Hyderabad Airport (Sindh) (IATA:HDD), in Pakistan /dev/hdd; see Device file § naming conventions; Hard Drive Divinity, the transformed state of CPUs in Hyperdimension ...
A hard disk head and arm on a platter Microphotograph of a hard disk head. The size of the front edge is about 0.3 * 1.2 mm. The functional part of the head is the round, orange structure in the middle. Also note the connection wires bonded to gold-plated pads. Read–write head of a 3 TB hard disk drive manufactured