This eSATA/USB External Hard Drive Enclosure transforms virtually any 2.5 SATA hard drive into a cost-effective portable storage solution. Ideal for storing digital multimedia and other demanding applications, the 2.5 SATA hard drive enclosure connects to a host computer using USB 2.0 or eSATA with support for data transfer rates of up to 3Gbps using eSATA or 480Mbps through USB 2.0. The enclosure supports up to 500GB maximum hard drive capacity. A truly portable solution, the compact hard drive enclosure features lightweight yet durable aluminum construction, as well as a small form factor design that fits perfectly into your pocket or notebook bag when not in use. To eliminate the hassle of having to find a power outlet when you are ready to back up data or load your stored files, the USB/eSATA enclosure offers USB-powered operation, requiring no external power supply.