IBM 4300 series
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The IBM 4300 series of computers were mid-range systems, various models of which were sold from 1979 through 1992. The systems were compatible with the System/370 architecture. They featured modest electrical and cooling requirements, and thus did not require a data center environment.
| Model | Announced | Withdrawn | Max Memory | Approximate Performance |
|---|---|---|---|---|
| 4331 | 1979 | 1981 | 1MB | 4 × 370/115 |
| 4341 | 1979 | 1986 | 4MB | 3.2 × 370/158 |
| 4361 | 1983 | 1987 | 12MB | 3 × 4331 |
| 4381 | 1983 | 1992 | 64MB | 9 × 4341 |
Each model number was available in various sub-models, such as the 4341 model 1 (or 4341–1) and 4341 model 2 (4341–2).
The 4381–21 through 4381–24 (announced in 1987) were entry-level machines for the 370/XA architecture. They were positioned between the IBM 9370 and IBM 3090 in performance at the time of announcement.
The 4381–3 and 4381–24 were dual-CPU models.
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Categories: IBM hardware