CT51272AB667.I36FI - Crucial Technology 4GB DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Dual Rank Memory Module

Technical Specs:
- Capacity: 4GB
- Memory Type: DDR2 SDRAM
- Memory Speed: 667 MHz (PC2-5300)
- Latency Timings: CL5
- Form Factor: 240-pin DIMM
- Voltage: 1.8V
- Error Correction Code (ECC): Yes
- Registered: Yes
- Rank: Dual Rank

Helpful Notes:
- ECC memory is designed for servers and workstations where data integrity is critical.
- Dual rank memory modules provide better performance than single rank modules.
- Make sure your motherboard supports DDR2 memory before purchasing this module.