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 cartridge sizes compatible with each generation, "Small", "Medium", and "Large".


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

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