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Ibm 4300 SeriesThe 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. | tyle="background:#efefef;" | Model | style="background:#efefef;" | Announced | style="background:#efefef;" | Withdrawn | style="background:#efefef;" | Max Memory | style="background:#efefef;" | Approximate Performance | | lign="center" |4331 | align="center" |1979 | align="center" |1981 | align="center" |1MB | align="center" |4 × 370/115 | | lign="center" |4341 | align="center" |1979 | align="center" |1986 | align="center" |4MB | align="center" |3.2 × 370/158 | | lign="center" |4361 | align="center" |1983 | align="center" |1987 | align="center" |12MB | align="center" |3 × 4331 | | lign="center" |4381 | align="center" |1983 | align="center" |1992 | align="center" |64MB | align="center" |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. External links
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