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The commercial usage of hard disk drives (HDD) began in 1957, with the shipment of a production IBM 305 RAMAC system including IBM Model 350 disk storage. [4] US Patent 3,503,060 issued March 24, 1970, and arising from the IBM RAMAC program is generally considered to be the fundamental patent for disk drives.
At least 218 companies have manufactured hard disk drives (HDDs) since 1956. Most of that industry has vanished through bankruptcy or mergers and acquisitions. None of the first several entrants (including IBM, who invented the HDD) continue in the industry today.
Video hard drives, sometimes called "surveillance hard drives", are embedded into digital video recorders and provide a guaranteed streaming capacity, even in the face of read and write errors. [148] Drives embedded into automotive vehicles; they are typically built to resist larger amounts of shock and operate over a larger temperature range.
Western Digital said that the new drives are 35 percent faster than the previous generation. On September 12, 2008, Western Digital shipped a 500 GB 2.5-inch (64 mm) notebook hard drive which is part of their Scorpio Blue series of notebook hard drives. On January 27, 2009, Western Digital shipped the first 2 TB internal hard disk drive. [26]
In June 2010, Seagate released the world's first 3 TB hard drive. [50] That September, Seagate released the first portable 1.5 TB hard drive. [51] In July 2011, the company changed its country of incorporation from the Cayman Islands to Ireland. [52] [53] Since then, the holding company became a public limited company (PLC) named Seagate ...
IBM manufactured magnetic disk storage devices from 1956 to 2003, when it sold its hard disk drive business to Hitachi. [1] [2] Both the hard disk drive (HDD) and floppy disk drive (FDD) were invented by IBM and as such IBM's employees were responsible for many of the innovations in these products and their technologies. [3]
The Hewlett-Packard HP3013/3014, nicknamed Kittyhawk, was a hard disk drive introduced by Hewlett-Packard on June 9, 1992. [1] [2] At the time of its introduction, it was the smallest hard disk drive in the world, being only 1.3-inches in size. The drive was created by a collaboration between Hewlett-Packard, AT&T, and Citizen Watch. [3] [2]
In 1993, Seagate released the first Barracuda drive, with the ST11950. The drive had a capacity of 2.03 GB (1.69 GB formatted), was available with FAST SCSI-2 (N/ND models) or WIDE SCSI-2 (W/WD models) interface, and was the first hard drive ever to have a spindle speed of 7200-RPM.