Transcend TS4GIB5791 | 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory

1. Capacity: 4GB (2 x 2GB)
2. Memory Type: DDR2 SDRAM
3. Memory Speed: 667MHz (PC2-5300)
4. Error Checking and Correction (ECC): Yes
5. Buffered/Registered: Fully Buffered
6. CAS Latency: CL5
7. Pin Count: 240-Pin DIMM
8. Rank: Dual Rank
9. Voltage: 1.8V
10. Form Factor: DIMM
11. Compatibility: Compatible with systems that support DDR2 667MHz memory
12. Operating Temperature: 0°C to 85°C

Helpful Notes:
1. ECC memory is designed to detect and correct errors in data.
2. Fully buffered memory is a type of server memory that provides additional buffering and error checking to improve reliability.
3. Dual rank memory modules are designed to improve memory performance by allowing the memory controller to access two sets of memory chips simultaneously.