CT2C2G2S667MCEU - Crucial 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Memory

Technical Specs:
- Capacity: 4GB (2 x 2GB)
- Memory Type: DDR2 SDRAM
- Memory Speed: 667MHz (PC2-5300)
- CAS Latency: CL5
- Error Checking: Non-ECC
- Buffered/Unbuffered: Unbuffered
- Pin Count: 200-Pin SoDimm

Helpful Notes:
- This memory kit is designed for laptops and other small form factor computers that use SODIMM memory.
- DDR2-667 memory is slower than more modern DDR3 or DDR4 memory, but may be necessary for older computers.
- Non-ECC memory is less expensive than ECC memory, but does not include error correction capabilities.