Dell A2257231 | 4GB Kit (2 X 2GB) PC2-6400 DDR2-800MHz ECC Unbuffered 240-Pin DIMM Memory for Precision WorkStation 390

Technical Specs:
- Capacity: 4GB (2 x 2GB)
- Memory Type: DDR2 SDRAM
- Memory Speed: 800MHz
- Form Factor: DIMM 240-pin
- Error Correction Code (ECC): ECC
- Buffered/Unbuffered: Unbuffered

Helpful Notes:
1. This kit is compatible with the Dell Precision WorkStation 390.
2. ECC memory is designed to detect and correct errors in data, making it ideal for critical applications.
3. DDR2-800MHz memory provides faster data transfer rates than DDR2-667MHz memory.