ZX Microdrive

The ZX Microdrive is a magnetic-tape data storage system launched in July 1983 by Sinclair Research for its ZX Spectrum home computer. It was proposed as a faster-loading alternative to the cassette and cheaper than a floppy disk, but it suffered from poor reliability and lower speed.

Microdrives used tiny cartridges containing a 5-metre (200 in) endless loop of magnetic tape, which held a minimum of 85 KB and performed a complete circuit in approximately eight seconds.

The Microdrive technology was later also used in the Sinclair QL and ICL One Per Desk personal computers.

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