Crucial CT51272AA667 | 4GB DDR2-667MHz PC2-5300 ECC Unbuffered CL5 240-Pin DIMM Memory Module

Technical Specs:
- Capacity: 4GB
- Memory Type: DDR2 SDRAM
- Memory Speed: 667MHz (PC2-5300)
- Latency Timings: CL5
- Error Correction Code (ECC): ECC
- Buffered/Unbuffered: Unbuffered
- Pin Count: 240-pin DIMM

Helpful Notes:
- This memory module is designed for use in servers and workstations that require ECC memory.
- DDR2 memory is an older technology and may not be compatible with newer systems.
- Make sure to check your system's specifications to ensure compatibility before purchasing.