| Model | Announced | First Shipped | Withdrawn |
|---|---|---|---|
| 3031 | October 6, 1977 | March 1978 | February 5, 1985 |
| 3032 | October 6, 1977 | March 1978 | February 5, 1985 |
| 3033 | March 25, 1977 | March 1978 | February 5, 1985 |
| 3033-N | November 1, 1979 | January 1980 | February 5, 1985 |
| 3033-S | November 12, 1980 | 1981 1/Q | February 5, 1985 |
| 3081 | November 12, 1980 | 1981 4/Q | August 4, 1987 |
| 4331-1 | January 30, 1979 | March 1979 | November 18, 1981 |
| 4331-2 | May 7, 1980 | August 1980 | September 10, 1984 |
| 4341-1 | January 30, 1979 | n/a | February 11, 1986 |
| 4341-2 | September 15, 1980 | n/a | February 11, 1986 |
n/a = Not available.
* Sources: A. Pedegs, "System/360 And Beyond," IBM Journal Of Research And Development, Vol. 25, No. 5, September 1981, Table 2, p. 387; various data on file in IBM Corporate Archives.