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IBM 3340 direct access storage facility

IBM 3340 direct access storage facility

IBM 3340 direct access storage facility
Following a development effort that began in the summer of 1969, the IBM 3340 Direct Access Storage Facility was introduced in March 1973 with an advanced disk technology known as "Winchester." Two, three or four 3340 drives could be attached to the IBM System/370 Model 115 processor -- which had been announced concurrently with the 3340 -- providing a storage capacity of up to 280 million bytes.