HYMD264G726C4-H - Hynix 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory Module

1. Memory Type: DDR SDRAM
2. Capacity: 512MB
3. Memory Speed: 266MHz
4. CAS Latency: CL2.5
5. Error Correction Code (ECC): ECC Registered
6. Pin Count: 184-Pin
7. Form Factor: DIMM
8. Voltage: 2.5V
9. Chip Organization: x72
10. Rank: Dual Rank
11. Number of Modules: 1
12. Memory Configuration: 64Meg x 72

Helpful Notes:
1. ECC memory is typically used in servers and workstations to prevent data corruption.
2. Dual rank memory modules offer better performance than single rank modules.
3. Make sure to check your motherboard's compatibility with ECC registered memory before purchasing.