IBM System/360 Model 40

IBM System/360 Model 40
IBM System/360 Model 40 at the USDA
ManufacturerInternational Business Machines Corporation (IBM)
Product family
System/360
ReleasedApril 7, 1964 (1964-04-07)
DiscontinuedOctober 7, 1977 (1977-10-07)
Memory16–128 KB Core

The IBM System/360 Model 40 is a mid-range member of the IBM System/360 family. It was announced on April 7, 1964, shipped in 1965, and withdrawn on October 7, 1977.

360/40 with circuit gates open
Control panel
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