Dell A11584175 | 512MB PC2-5300 DDR2-667MHz non-ECC Unbuffered CL5 200-Pin SO-DIMM Dual Rank Memory Module for Inspiron 6400

Technical Specs:
- Memory Type: DDR2 SDRAM
- Capacity: 512MB
- Speed: 667MHz
- Form Factor: 200-pin SO-DIMM
- Error Correction: Non-ECC
- CAS Latency: CL5
- Rank: Dual Rank

Helpful Notes:
1. This memory module is compatible with the Dell Inspiron 6400 laptop.
2. Non-ECC memory is faster than ECC memory, but it does not provide error correction.
3. Dual rank memory modules can improve system performance by allowing the system to access more memory channels.