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IBM 3310 direct access storage

IBM 3310 direct access storage

IBM 3310 direct access storage
The IBM 3310 Direct Access Storage was a compact, economically-priced, high-performance direct access storage device for use with the IBM 4331 Processor. Introduced in 1979, the 3310 could store 64.5 million bytes of data in each of its drives. Up to four strings of four spindles each could be attached to a 4331 for a maximum of 1.032 billion bytes of online data.