38L5138 - IBM 256MB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Dual Rank Memory Module

1. Memory Type: DDR2 SDRAM
2. Memory Size: 256 MB
3. Memory Speed: 667 MHz
4. Memory Standard: PC2-5300
5. CAS Latency: CL5
6. Pin Configuration: 200-pin SO-DIMM
7. Error Correction Code: Non-ECC
8. Buffered/Unbuffered: Unbuffered
9. Rank: Dual Rank
10. Voltage: 1.8V
11. Technology: 65nm
12. Form Factor: SO-DIMM

Notes:
1. This memory module is compatible with laptops and small form factor desktops.
2. DDR2 memory is an older technology and may not be compatible with newer systems.
3. Dual rank memory modules provide better performance than single rank modules.