HP 506591-001 | 4GB DDR2-800MHz PC2-6400 non-ECC Unbuffered CL6 200-Pin SoDimm 1.8V Memory Module

Technical Specs:
- Capacity: 4GB
- Memory Type: DDR2 SDRAM
- Memory Speed: 800MHz (PC2-6400)
- Form Factor: 200-pin SoDimm
- CAS Latency: CL6
- Voltage: 1.8V
- Error Correction Code: Non-ECC
- Buffered/Unbuffered: Unbuffered

Helpful Notes:
- This memory module is compatible with laptops that support DDR2 SDRAM and have a 200-pin SoDimm slot.
- Non-ECC memory is faster and less expensive than ECC memory, but it does not provide error correction.
- Upgrading your laptop's memory can improve its performance and allow you to run more programs simultaneously.