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Used Apple Macintosh computers

 

  The Apple Macintosh computer - price and description

Apple Mac Quadra 900

The Apple Macintosh Quadra 900 features a 25 MHz 68040 processor, 4 MB of RAM, and either a 160 MB or 400 MB hard drive in an expandable tower case. In fact, the Quadra 900 was the first Macintosh to come in a tower case. In the picture, the Quadra 900 is on the left and the Quadra 700 is on the right.


Introduction Date:

October 21, 1991

Discontinued Date:

May 18, 1992

Processor Type:

68040

Processor Speed:

25 MHz 1.

Processor Upgrade:

N/A

FPU (Integrated):

68040

System Bus Speed:

25 MHz

Lookaside Bus Speed:

N/A

ROM Size:

1 MB

Data Path:

32-bit

Level 1 Cache:

8k

Level 2 Cache:

N/A

RAM Type:

80 ns 30-pin SIMM

VRAM Type:

80 ns VRAM SIMM

Standard RAM:

4 MB

Maximum RAM:

256 MB

Motherboard RAM:

None

RAM Slots:

16 (groups of 4)

Standard VRAM:

1 MB

Maximum VRAM:

2 MB 2.

Standard Hard Drive:

160 MB, 400 MB

Int. Hard Drive Type:

SCSI

Standard CD-ROM:

N/A

Standard Disk:

1.44 MB (auto)

Standard Modem:

N/A

Standard Ethernet:

AAUI-15

Case Type:

Tower

Form Factor:

Mac Quadra 900

Exp. Slots:

5 NuBus, 040 PDS

Exp. Bays (Free):

1 (5.25") 3.

Battery Type:

3.6V Lithium

Battery Life:

N/A

Built-in Display:

N/A

Supported MacOS:

7.0.1-7.5.1, 7.5.3-8.1

Dimensions:

18.6 x 8.9 x 20.6 4.

Avg. Weight:

36.8 lbs.

Original Price:

$8500 US

Est. Current Price:

$50-$75 US

Notes:

1. This model is sometimes designated as having a 50 MHz processor,
since the clock input runs at 50 MHz. However, the processor itself
is not "clock doubled", so technically it is only a 25 MHz processor.
2. 1 MB soldered, four slots can be filled with 256k SIMMs for 2 MB.
3. Remaining 5.25" bay is external.
4. In inches, height x width x depth.
5. Photo Credit: Apple Computer, Inc. (MacUser Advertisement).