Data Storage Technology

This page is about the Ampex product. For the general topic, see Data storage.

Short description: Magnetic tape-based data storage format

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

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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)|

* Travan (1995)
* IBM 3570 MP (1997)
* ADR (1999)

Quarter inch (6.35 mm)|

* QIC (1972)
* SLR (1986)
* Ditto (1992)

"Eighth" (0.15) inch (3.81 mm)|

* KC standard, Compact Cassette (1975)
* HP DC100 (1976)
* Tarbell Cassette Interface (1976)
* Commodore Datasette (1977)
* DECtape II (1979)
* IBM PC Cassette (1981)

Stringy (1.58–1.9 mm)|

* Exatron Stringy Floppy (1979)
* ZX Microdrive (1983)
* QL Microdrive (1984)
* Rotronics Wafadrive (1984)

Helical|

| Three quarter inch (19 mm)|

* Sony DIR (19xx)
* Ampex DST (1992)

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Half inch (12.7 mm)|

* Redwood SD-3 (1995)
* DTF (19xx)
* SAIT (2003)

Eight millimeter (8 mm)|

* Data8 (1987)
* Mammoth (1994)
* AIT (1996)
* VXA (1999)

Four millimeter (3.81 mm)|

* DDS/DAT (1989)

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Original source: https://en.wikipedia.org/wiki/Data Storage Technology. Read more

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