| Manufacturer Part Number | 77P6500 |
| Manufacturer Part Option | MT36HTF51272PY-667G1, MT36HTF51272PY-667E1, P77P6500 |
| Brand | IBM |
| Type | DDR2 |
| Capacity | 4 GB |
| Form factor | RDIMM |
| Bus speed | PC2-5300 |
| Memory Speed | 667 MHZ |
| Latency | CAS 5-5-5 |
| Memory Features | |