Increase the storage capacity of your Dimension Desktop with this high-performance 80 GB Hard Drive from Dell. It has an 8 MB cache and features Serial ATA interface - providing maximum transfer rate of up to 150 MBps. The software utility Data Lifeguard Tools makes hard drive installation, drive management and diagnostics easy and simple. The drive also features Shock Guard which provides shock and vibration protection to your hard drive.This hard drive is designed for Dell Dimension E310/3100/5100/9100.