| Manufacturer Part Number | 15R7439 |
| Manufacturer Part Option | MT18HTF25672MDY-667E2B3 |
| Brand | IBM |
| Product Type | Memory |
| Type | DDR2 |
| Capacity | 2 GB |
| Form factor | DIMM |
| Bus speed | PC2-5200 (DDR3-667) |
| Memory Speed | 667 MHz |
| Memory Features | ECC Registered |
| Latency | CL5 |
| Rank | 256Mx72 |
| Voltage | 1.35 V |
| Pins | 240 |
| IBM POWER 520 |
IBM POWER 550 IBM POWER 560 |
IBM POWER 570 IBM POWER 575 |
IBM POWER 595 |