Apple · Macintosh

Macintosh Quadra 950

Released May 1992

The Quadra 900 successor raises the 68040 clock to 33 MHz and improves colour video and I/O throughput in the same tower case.

Model history · 2 models, 1991–1992

Specifications

Processor: 68040 33 MHz (Macintosh Quadra 950)
CPU cores: 1
Memory: 8 MB
Storage: 230 MB to 400 MB
CPU: 33 MHz Motorola 68040 with integrated memory-management and floating-point units and 8 KB on-chip cache; 25 MHz I/O clock, up from 16 MHz in the Quadra 900
GPU: Built-in video with 1 MB VRAM, expandable to 2 MB; Apple lists 16-bit colour at 640 × 480 and 832 × 624 with standard VRAM and 24-bit at these resolutions with 2 MB
Memory type: Sixteen 30-pin 80 ns SIMM slots in banks of four, with 8 MB standard. Apple supported up to 64 MB using 4 MB SIMMs; its later support sheet lists a 256 MB technical maximum with larger modules that it does not support.
Storage type: Internal 1.44 MB SuperDrive and 230 or 400 MB SCSI hard-drive configurations at introduction; the case supports up to four internal SCSI devices, including a CD-ROM or DAT drive
Expansion slots: Five NuBus slots and one processor-direct slot

Ports: Ethernet, headphone jack
Back ports: Apple Desktop Bus, DB-15 video, DB-25 SCSI, two serial ports, AAUI Ethernet, mono sound input and stereo sound output
External displays: Built-in video supports Apple's monitor range; colour depth depends on VRAM and resolution
Speakers: Internal speaker, mono audio input and stereo sound output

Type: Tower
Weight: 16.7 kg
Width × depth × height: 226 × 523 × 473 mm
Operating system: macOS
Size and weight detail: Apple's 18.6 × 8.9 × 20.6 inch and 36.8 lb reference dimensions; metric fields are rounded conversions
Power supply: Maximum 303 W, 100–240 V AC, 50–60 Hz; 3.6 V lithium clock battery and keyboard soft power
In the box: Original System Software 7.0.1. Apple's June 1992 catalogue states that the 950 was introduced the previous month and that existing Quadra 900 owners could upgrade through a logic-board replacement.

Processor	Memory	Storage	Storage type
68040 33 MHz (Macintosh Quadra 950)	8 MB	230 MB	Hard drive
68040 33 MHz (Macintosh Quadra 950)	8 MB	400 MB	Hard drive

Model	Type	Processor	Memory	Storage	Screen	Weight	Released
AppleMacintosh Quadra 800	Tower	68040 33 MHz (Macintosh Quadra 800)	8 MB	230 MB	–	10.89 kg	1993
ApplePower Macintosh 8100/80AV	Tower	PowerPC 601 80 MHz (Power Macintosh 8100/80AV)	8 MB	250 MB – 1 GB	–	11.48 kg	1994
AppleMacintosh Quadra 840AV	Tower	68040 40 MHz (Macintosh Quadra 840AV)	4 MB	230 MB – 1 GB	–	11.48 kg	1993