KVR667D2S4F5K2/4G - Kingston 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Single Rank X 4 Memory

1. Memory Type: DDR2 SDRAM
2. Memory Size: 4GB Kit (2 X 2GB)
3. Memory Speed: 667MHz
4. Memory Standard: PC2-5300
5. Error Correction Code (ECC): Yes
6. Buffered/Registered: Fully Buffered
7. CAS Latency: CL5
8. Pin Count: 240-Pin DIMM
9. Rank: Single Rank X 4
10. Voltage: 1.8V
11. Module Configuration: 256M x 72
12. Memory Organization: 2Rx4

Helpful Notes:
1. ECC memory is designed to detect and correct single-bit errors, making it ideal for mission-critical applications.
2. Fully Buffered memory modules have an additional buffer between the memory controller and the DRAM, which improves reliability and performance.
3. This kit includes two identical 2GB memory modules, which must be installed in pairs to take advantage of the dual-channel memory architecture.