CT508543 - Crucial 4GB Kit (2X2GB) DDR2-667MHz PC2-5300 ECC Unbuffered CL5 240-Pin DIMM 1.8V Memory

Technical Specs:
- Capacity: 4GB Kit (2x2GB)
- Memory Type: DDR2 SDRAM
- Memory Speed: 667MHz (PC2-5300)
- Error Correction Code (ECC): ECC
- Buffered/Unbuffered: Unbuffered
- CAS Latency Timing: CL5
- Pin Count: 240-Pin DIMM
- Voltage: 1.8V

Helpful Notes:
1. This memory kit is designed for servers and workstations that require ECC memory.
2. DDR2 memory is not compatible with DDR3 or DDR4 memory slots.
3. Make sure to check your motherboard's compatibility before purchasing.