A UnixwORkstation produced by {Sun Microsystems, Inc.} in the 1980s, based on the {MotORola 68020}. SuccessOR to the {Sun-2 WORkstation}, followed by the Sun-4 WORkstation. The Sun-3 had a custom MMU. A couple of mutant models used an entirely different architecture. [Details? Dates?] (2001-03-11)