IBM 303X

IBM 303X
IBM 3033 frame, 3036 console (table) and 3277 terminals
ManufacturerInternational Business Machines Corporation (IBM)
Product familyIBM 3031
IBM 3032
IBM 3033
Release date1977
DiscontinuedFebruary 5, 1985 (all three 303X)
SuccessorIBM 308X

The IBM 303X is a discontinued line of mainframe computers, the first model of which, the IBM 3033 Processor, nicknamed "The Big One", was introduced March 25, 1977.

Two additional processors, the 3031 and the 3032, were announced on October 6, 1977.

All three 303X systems were withdrawn on February 5, 1985.