The term 68k means the Motorola 68000 series processors. Some variants: 68000, 68010, 68020, 68030, 68040, 68060; CPU32 (68330), 68360 (QUICC), ColdFire, DragonBall. These were and are used in many: Personal computers: Apple Macintosh, Commodore Amiga, Atari ST, early HP 9000s; Workstations: Sun Microsystems Unix, Apollo/Domain. Video games: Sega Genesis/MegaDrive, NeoGeo, several arcade machines. Many versions are in production, as embedded processors.