Dell A2544586 | 4GB PC2-6400 DDR2-800MHz non-ECC Unbuffered CL6 200-Pin SoDimm Dual Rank Memory Module for Vostro 1520 Laptop

Technical Specs:
- Memory Size: 4GB
- Memory Technology: DDR2 SDRAM
- Memory Speed: 800 MHz
- Memory Standard: DDR2-800/PC2-6400
- Signal Processing: Unbuffered
- CAS Latency: CL6
- Number of Pins: 200-pin
- Form Factor: SoDIMM
- Rank: Dual Rank
- Error Checking: Non-ECC

Helpful Notes:
- This memory module is compatible with the Dell Vostro 1520 Laptop.
- DDR2 technology is older and slower compared to DDR3 and DDR4.
- Non-ECC memory is suitable for home and personal use, but not recommended for critical applications that require error correction.