

Datasheet| Memory speed | 667 MHz (PC2-5300) |
| Capacity | 4 GB: 2 x 2 GB |
| Extension type | System-specific |
| ECC | ECC |
| RAM socket | FBDIMM 240pin |
| RAM type | DDR2 |
| Designed for |
IBM System x3450 7948
x3500 x3550 x3650 |
| Original RAM | IBM 39M5789 (x2), IBM 39M5791 |