Data Storage Technology

Data Storage Technology (DST) is a 19 mm (0.75 in) wide magnetic tape data storage format created by Ampex in 1992. The DST format was also made by Ampex as a digital videotape format, DCT, using the same design of cassette. DST is relatively high capacity and high speed, especially compared to other tape technologies available in the 1990s. There are 3 standard tape cartridges sizes compatible with each generation, "Small", "Medium", and "Large".

Generations

Generation Original Double Density Quad Density
Release Date 1992 1996 2000
"Small" Capacity (GB) 25 50 100
"Medium" Capacity (GB) 75 150 300
"Large" Capacity (GB) 165 330 660
Max Speed (MB/s) 15 20

External links

  • Entry in Computer Desktop Encyclopedia (Search for "DST")
  • Ampex's History (Search for "DST")
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Magnetic-tape data storage formats
Linear
Wide (19–25.4 mm)
  • IBM 7340 (1961)
  • LINCtape (1962)
  • DECtape (1963)
  • CDC 626 (1966)
Half inch (12.7 mm)
  • UNISERVO (1951)
  • IBM 7-track (1952)
  • TX-2 Tape System (1958)
  • 9-track (1964)
  • IBM 3480 (1984)
  • DLT (1984)
  • IBM 3590 (1995)
  • T9840 (1998)
  • T9940 (2000)
  • LTO Ultrium (2000)
  • IBM 3592 (2003)
  • T10000 (2006)
Eight millimeter (8 mm)
Quarter inch (6.35 mm)
  • QIC (1972)
  • SLR (1986)
  • Ditto (1992)
"Eighth" (0.15) inch (3.81 mm)
Stringy (1.58–1.9 mm)
Helical
Three quarter inch (19 mm)
  • Sony DIR (19xx)
  • Ampex DST (1992)
Half inch (12.7 mm)
Eight millimeter (8 mm)
Four millimeter (3.81 mm)


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