Micron MT18HTF51272AY-667 | 4GB DDR2-667MHz PC2-5300 ECC Unbuffered CL5 240-Pin DIMM Dual Rank Memory Module

1. Memory Type: DDR2 SDRAM
2. Capacity: 4GB
3. Memory Speed: 667 MHz
4. Form Factor: DIMM 240-pin
5. Error Correction Code (ECC): ECC
6. Latency Timings: CL5
7. Data Integrity Check: Non-ECC
8. Rank: Dual Rank
9. Voltage: 1.8V
10. Module Configuration: 512M x 72
11. Chip Organization: x4
12. CAS Latency: 5

Helpful Notes:
1. ECC memory is designed to detect and correct single-bit errors, making it more reliable than non-ECC memory.
2. Dual rank memory modules offer better performance than single rank modules in certain applications.
3. This memory module is compatible with systems that support DDR2-667MHz memory.