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A Hitachi Travelstar 80GN 60GB hard drive (front and back) Travelstar was a brand of 2.5-inch hard disk drive (HDD) that was introduced by IBM in 1994 with the announcement of the Travelstar LP. At 12.5 mm high with two platters, they were available in 360, 540 and 720 MB capacities.
On SCSI hard disk drives, the SCSI controller can directly control spin up and spin down of the drives. Some Parallel ATA (PATA) and Serial ATA (SATA) hard disk drives support power-up in standby (PUIS): each drive does not spin up until the controller or system BIOS issues a specific command to do so. This allows the system to be set up to ...
On April 21, 2008, Western Digital announced the next generation of its 10,000 RPM SATA Raptor hard drive series. The new drives, called WD VelociRaptor, feature 300 GB capacity and 2.5-inch platters enclosed in the IcePack, a 3.5-inch mounting frame with a built-in heat sink. Western Digital claimed that the new drives were 35 percent faster ...
Western Digital WD740GD 74 GB Raptor, a 10,000 rpm 3.5-inch HDD drive platter, Western Digital Caviar SE16 SATA 3.5-inch Hard Disk Drive. In 2001, Western Digital became the first manufacturer to offer mainstream ATA hard disk drives with 8 MiB of disk buffer. At that time, most desktop hard disk drives had 2 MB of buffer.
Inner view of a 1998 Seagate HDD that used the Parallel ATA interface 2.5-inch SATA drive on top of 3.5-inch SATA drive, showing close-up of (7-pin) data and (15-pin) power connectors. Current hard drives connect to a computer over one of several bus types, including parallel ATA, Serial ATA, SCSI, Serial Attached SCSI (SAS), and Fibre Channel.
Solid-state drive (SSD) Hard disk drive (HDD) Price per capacity SSDs are generally more expensive than HDDs and are expected to remain so. As of early 2018, SSD prices were around $0.30 per gigabyte for 4 TB models. [23] HDDs, as of early 2018, were priced around $0.02 to $0.03 per gigabyte for 1 TB models. [23] Storage capacity