IBM ESA/390 S/390 computers S/390 computers

| Model | Year_Introduced | Number_of_CPUs | Performance_MIPS | Memory_GB |
|---|---|---|---|---|
| G1 – 9672-Rn1, 9672-Enn, 9672-Pnn | 1994 | 1–6 | 15–66 | 0.125–2 |
| G2 – 9672-Rn2, 9672-Rn3 | 1995 | 1–10 | 15–171 | 0.125–4 |
| G3 – 9672-Rn4 | 1996 | 1–10 | 33–374 | 0.5–8 |
| G4 – 9672-Rn5 | 1997 | 1–10 | 49–447 | 0.5–16 |
| G5 – 9672-nn6 | 1998 | 1–10 | 88–1069 | 1–24 |
| G6 – 9672-nn7 | 1999 | 1–12 | 178–1644 | 5–32 |