Transcend 320GB StoreJet 25 Classic Portable Hard Drive TS320GSJ25C Transcend StoreJet 25 Classic 320 GB USB 2.0 2.5-inch External Hard Drive General Features: Stainless steel case with gloss black connection panel 320 GB capacity 2.5-inch SATA hard drive High-speed USB 2.0 interface (USB 1.1 backwards compatible) High transfer rate of up to 480 Mbps LED indicates power on and data transfer activity Easy Plug and Play installation Ultra-Portability