Dell A12534370 | 1GB PC2-6400 DDR2-800MHz non-ECC Unbuffered CL6 200-Pin SoDimm Dual Rank Memory Module for Latitude D520

Here are the technical specs for the Dell 1GB PC2-6400 DDR2-800MHz Memory Module:

- Memory Type: DDR2 SDRAM
- Capacity: 1GB
- Memory Speed: 800MHz
- CAS Latency: CL6
- Pin Count: 200-Pin
- Form Factor: SoDimm
- Rank: Dual Rank
- Error Correction Code: Non-ECC
- Buffered/Unbuffered: Unbuffered

Helpful notes:
- This memory module is compatible with Dell Latitude D520 laptops.
- Non-ECC memory is faster than ECC memory but does not have error correction capabilities.
- Dual rank memory provides better performance than single rank memory.