CT553023 - Crucial 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Quad Rank Memory

Technical Specs:
- Memory Type: DDR2 SDRAM
- Capacity: 8GB (2 x 4GB)
- Speed: 667MHz (PC2-5300)
- Error Correction Code (ECC): Yes
- Buffered: Fully Buffered (FB-DIMM)
- CAS Latency: CL5
- Rank: Quad Rank
- Pin Count: 240-Pin DIMM

Helpful Notes:
1. This memory is designed for servers and workstations with FB-DIMM slots.
2. ECC memory is more reliable than non-ECC memory, as it can detect and correct errors.
3. Make sure your system supports DDR2-667MHz memory before purchasing.