Macintosh Quadra 900
The Macintosh Quadra 900 is a personal computer designed, manufactured, and sold by Apple Computer from October 1991 to May 1992. It was introduced alongside the Quadra 700 as the first computers in the Quadra family of Macintosh computers using the Motorola 68040 processor. It is also the first computer from Apple to be housed in an 18.6 inch (47 cm) tall mid-tower form factor, which by 1991 had gained momentum with PC manufacturers as a suitable design for departmental servers.
| Developer | Apple Computer |
|---|---|
| Product family | Macintosh Quadra |
| Release date | October 21, 1991 |
| Introductory price | US$7,200 (equivalent to $15,470 in 2022) |
| Discontinued | May 18, 1992 |
| Operating system | System 7.0.1–Mac OS 8.1 |
| CPU | Motorola 68040 @ 25 MHz |
| Memory | 4 MB, expandable to 256 MB (80 ns 30-pin SIMM) |
| Dimensions | Height: 18.6 in (47.25 cm) Width: 8.9 in (22.6 cm) Depth: 20.6 in (52.32 cm) |
| Mass | 36.8 pounds (16.7 kg) |
| Predecessor | Macintosh IIfx |
| Successor | Macintosh Quadra 950 |
| Related | Macintosh Quadra 700 |
The Quadra 900 had a short lifespan; it was discontinued about six months after the first shipments in favor of the more powerful Quadra 950.
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