The 2.5" USB 2.0 External Hard Drive Enclosure by Cables To Go offers a truly portable solution to backing up your notebook. Back up files, store large file archives, or save your MP3s on a hard drive to take anywhere you like. The USB 2.0 connectivity makes installation fully plug -n- play while supporting data transfer speeds more than 40X faster than USB 1.1. The quality aluminum construction provides excellent heat dissipation. This 2.5" drive enclosure is so compact it fits in your pocket. Take it wherever life demands!