DESC: The perfect solution for sharing files and applications between computers, making high-speed backups, and portability at the touch of a button, the IDECASE35U2B includes a unique One-Button backup feature. Backup, restore, and synchronize your files at a data transfer rates of 480 Mbits/sec. This hard drive enclosure is designed for use with 3.5” IDE hard drives and can be used with either Mac or PC (USB 2.0 connection required). As well, the case's hot-swap feature allows you to connect and disconnect it when needed, without ever having to reboot your computer. The silver aluminum case design protects your hard drive and keeps it cool.