

Datasheet| Memory speed | 800 MHz (PC2-6400) |
| Capacity | 2 GB |
| Extension type | System-specific |
| CAS latency | CL6 |
| RAM socket | DIMM 240pin |
| RAM type | DDR2 |
| Designed for |
Lenovo ThinkCentre A57
A61 M55 M55p M57 M57e M57p |
| Original RAM | 41U2978; 41X1081 |