CT51272AF667.36FE2D6 - Crucial 4GB DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory Module

Technical Specs:
- Capacity: 4GB
- Memory Type: DDR2 SDRAM
- Memory Speed: 667 MHz
- PC Rating: PC2-5300
- ECC Type: ECC Fully Buffered
- CAS Latency: CL5
- Pin Count: 240-Pin DIMM
- Rank: Dual Rank

Helpful Notes:
1. This memory module is designed for servers and workstations that require ECC memory.
2. Fully Buffered memory modules are more reliable and have better error correction capabilities than regular DDR2 memory.
3. Make sure to check your motherboard's compatibility with ECC Fully Buffered memory before purchasing.