CT51272AF667.M36FEUS - 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: 667MHz (PC2-5300)
- Form Factor: DIMM 240-pin
- Error Correction Code (ECC): ECC
- CAS Latency: CL5
- Rank: Dual Rank
- Buffered/Unbuffered: Fully Buffered

Helpful Notes:
- This memory module is designed for servers and workstations that require ECC memory.
- Fully Buffered memory modules have an additional buffer chip that helps to reduce signal noise and improve stability.
- Before purchasing, make sure your system supports DDR2-667MHz memory.