Increase the storage capacity of your system with this high-performance 160 GB Hard Drive from Dell . It has an 8 MB cache and features Serial ATA interface (SATA) - providing optimum transfer rates. Additionally, its 7200 RPM rotational speed ensures fast access to data. This product has been tested and validated on Dell systems to ensure it will work with your computer and is compatible with Dell Precision WorkStation 380 / Dimension 9150 / PowerEdge SC1420/1800 / PowerVault 745N Systems.