Micron MT9HTF6472PKZ-667G1 | 512MB DDR2-667MHz PC2-5300 ECC Registered CL5 244-Pin Mini-DIMM Single Rank Memory Module

1. Memory Type: DDR2 SDRAM
2. Memory Size: 512MB
3. Memory Speed: 667MHz
4. Form Factor: 244-pin Mini-DIMM
5. Error Correction Code (ECC): ECC Registered
6. CAS Latency: CL5
7. Rank: Single Rank
8. Voltage: 1.8V
9. Data Integrity Check: Advanced ECC
10. Chip Organization: x72
11. Memory Configuration: 64Meg x 72
12. Refresh Rate: 8K Pages/64ms

Helpful Notes:
1. This memory module is designed for use in servers and workstations.
2. ECC memory is more reliable than non-ECC memory as it can detect and correct errors in data.
3. Make sure to check the compatibility of this module with your system before purchasing.