The Macintosh Quadra 650 was a computer that was a part of Apple Computer's Quadra series of Macintosh computers, respectively. When the Macintosh Quadra 650 was introduced in October 1993, alongside the smaller Macintosh Quadra 610, it replaced the older Macintosh Centris 650. The Macintosh Quadra 650 was discontinued in favor of the Power Macintosh 7100, in July 1994.