Apple · Macintosh

Macintosh Quadra 650

Released 1993

A 33 MHz 68040 desktop with three NuBus slots, one processor-direct slot and built-in AAUI Ethernet.

Specifications

Processor: 68040 33 MHz (Macintosh Quadra 650)
CPU cores: 1
Memory: 4 MB
Storage: 230 MB
CPU: 33 MHz Motorola 68040 with integrated memory management and floating-point unit, 8 KB L1 cache and 32-bit data path
GPU: Built-in video with 512 KB VRAM supports 8-bit colour at 640 × 480 and 832 × 624; 1 MB VRAM raises both to 16-bit colour
Memory type: 4 or 8 MB on the logic board plus four 72-pin SIMM slots; Apple supports 132 or 136 MB total respectively
Storage type: Internal 1.44 MB floppy drive, SCSI hard drive in Apple's 230–500 MB range and optional 2× CD-ROM drive
Expansion slots: Three NuBus slots and one processor-direct slot

Ports: Ethernet
Back ports: Two Apple Desktop Bus ports, DB-15 video, DB-25 SCSI, printer and modem serial ports, AAUI-15 Ethernet, microphone input and speaker output
External displays: Built-in video supports up to 1152 × 870 pixels; colour depth depends on VRAM

Type: Compact
Weight: 11.34 kg
Width × depth × height: 330 × 419 × 152 mm
Operating system: macOS
Size and weight detail: Apple's 6 × 13 × 16.5 inch and 25 lb reference dimensions; metric fields are rounded conversions
Power supply: Maximum 230 W; 100–240 V AC, 50–60 Hz; 3.6 V lithium clock battery
In the box: Original System Software 7.1 with System Enabler 040. Apple lists 21 October 1993 as introduction; a separate first-sale month was not established.

Processor	Memory	Storage	Storage type
68040 33 MHz (Macintosh Quadra 650)	4 MB	230 MB	Hard drive

Model	Type	Processor	Memory	Storage	Screen	Weight	Released
AppleMacintosh Centris 610	Compact	Motorola 68LC040 20 MHz (Macintosh Centris 610)	4 MB	80 MB	–	–	1993
AppleMacintosh Centris 650	Compact	Motorola 68040 25 MHz (Macintosh Centris 650) or Motorola 68LC040 25 MHz (Macintosh Centris 650)	4 MB	–	–	–	1993
AppleMacintosh Centris 660AV	Compact	Motorola 68040 25 MHz (Macintosh Centris 660AV)	4 MB	81.92 MB	–	–	1993