JM667QSU-2G - Transcend JetRam 2GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module

1. Memory Type: DDR2 SDRAM
2. Memory Speed: 667 MHz
3. Memory Size: 2 GB
4. Memory Technology: Non-ECC Unbuffered
5. CAS Latency: CL5
6. Pin Count: 200-Pin
7. Rank: Dual Rank
8. Voltage: 1.8V
9. Error Checking: Non-parity
10. Form Factor: SoDimm
11. Memory Configuration: Single Module
12. Compatibility: Compatible with most laptops that use DDR2 memory

Helpful Notes:
1. Upgrading your laptop's memory can significantly improve its performance.
2. Make sure to check your laptop's manual or manufacturer's website for compatibility before purchasing.
3. Installing memory modules can be done easily with the right tools and knowledge, but if you're not confident, seek professional help.