Kingston MT1GU16T648-667-KPXX | 1GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 240-Pin DIMM Dual Rank Memory Module

1. Memory Type: DDR2 SDRAM
2. Memory Size: 1GB
3. Memory Speed: 667MHz
4. Memory Standard: PC2-5300
5. CAS Latency: CL5
6. Error Correction Code: Non-ECC
7. Buffered/Unbuffered: Unbuffered
8. Pin Count: 240-pin
9. Rank: Dual Rank
10. Voltage: 1.8V
11. Form Factor: DIMM
12. Compatibility: Compatible with systems that support DDR2 667MHz memory

Helpful notes:
1. This memory module is a cost-effective way to boost the performance of your system.
2. The dual rank feature allows for better performance and stability.
3. Make sure to check your system's compatibility before purchasing.