• IBM manufactured magnetic disk storage devices from 1956 to 2003, when it sold its hard disk drive business to Hitachi. Both the hard disk drive (HDD)...
    71 KB (9,377 words) - 04:16, 9 April 2024
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    tape drives. The commercial usage of hard disk drives (HDD) began in 1957, with the shipment of a production IBM 305 RAMAC system including IBM Model...
    44 KB (4,779 words) - 16:59, 29 April 2024
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    became widely used. Floppy disk variants History of hard disk drives History of IBM magnetic disk drives List of floppy disk formats A Japanese inventor...
    60 KB (7,044 words) - 16:29, 13 May 2024
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    The IBM 2321 Data Cell is a DASD that used tape as its storage medium. See also history of IBM magnetic disk drives. IBM 353: Disk drive for IBM 7030...
    170 KB (18,534 words) - 22:20, 8 May 2024
  • needed] Category IBM articles History of IBM magnetic disk drives IBM Archives Biographies Builders reference room Jim Spohrer, "IBM's service journey:...
    208 KB (23,997 words) - 17:16, 25 April 2024
  • Thumbnail for Floppy disk
    component of IBM products and both drives and disks were then sold separately starting in 1972 by Memorex and others. These disks and associated drives were...
    78 KB (8,529 words) - 21:48, 13 May 2024
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    Older hard disk drives used iron(III) oxide (Fe2O3) as the magnetic material, but current disks use a cobalt-based alloy. For reliable storage of data, the...
    18 KB (2,106 words) - 16:21, 7 May 2024
  • 12-bit word of CDC 6000 series peripheral processors, plus 2 parity bits) in the CDC 626 drive. Early IBM tape drives, such as the IBM 727 and IBM 729, were...
    36 KB (4,276 words) - 14:10, 31 January 2024
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    capacity of 400 MB, at the time when the 2311 disk drive only had 7.2 MB. The IBM Data Cell was proposed to fill cost/capacity/speed gap between magnetic tapes—which...
    80 KB (8,692 words) - 14:41, 25 April 2024
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    as of 2017[update] Linear Tape-Open (LTO) supports continuous data transfer rates of up to 360 MB/s, a rate comparable to hard disk drives. Magnetic-tape...
    20 KB (1,707 words) - 08:21, 10 March 2024