Qimonda HYS72T128920EU-3-B2 | 1GB DDR2-667MHz PC2-5300 ECC Unbuffered CL5 240-Pin DIMM Dual Rank Memory Module

1. Memory Type: DDR2 SDRAM
2. Memory Size: 1 GB
3. Memory Speed: 667 MHz
4. Memory Standard: PC2-5300
5. Error Correction Code (ECC): ECC
6. Buffered/Unbuffered: Unbuffered
7. CAS Latency: CL5
8. Pin Count: 240
9. Rank: Dual Rank
10. Voltage: 1.8V
11. Form Factor: DIMM
12. Manufacturer: Qimonda

Notes:
1. This memory module is designed for servers and workstations that require ECC memory.
2. Dual rank memory modules offer better performance than single rank modules.
3. Make sure to check your motherboard's compatibility with DDR2 memory before purchasing.