Crucial CT644717 | 1GB Kit (2 X 512MB) DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 240-Pin DIMM Memory

Technical Specs:
- Capacity: 1GB (2 x 512MB)
- Memory Type: DDR2 SDRAM
- Memory Speed: 667MHz (PC2-5300)
- CAS Latency: CL5
- Pin Count: 240
- Error Correction Code: Non-ECC
- Buffered/Unbuffered: Unbuffered

Helpful Notes:
1. This memory kit is suitable for older computers that use DDR2 memory.
2. Non-ECC memory is generally less expensive than ECC memory, but does not provide error correction.
3. Make sure to check your computer's specifications to ensure compatibility with this memory kit.