Macintosh Quadra 900
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| Macintosh Quadra 900 | |
|---|---|
| Manufacturer | Apple Computer |
| Introduced | October 21, 1991 |
| Discontinued | May 18, 1992 |
| Price | US$8500 |
| CPU | Motorola 68040, 25 MHz |
| RAM | 4 MB, expandable to 256 MB, 80 ns 30-pin SIMM |
| OS | System 7.0.1 |
The Macintosh Quadra 900 is a high-end personal computer introduced with the Quadra 700 in October 1991 as Apple Computer's first computers in the Quadra series using the Motorola 68040 processor. It was discontinued in 1992, and succeeded by the very similar Quadra 950. The Quadra 900 could be upgraded to 256 megabytes of RAM, which with its 25MHz processor made it a very useful computer for scientific or design work.
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