Seagate 60GB USB 2.0 Portable External Hard Drive ( ST960801U2-RK ) Whisper-quiet 5400 RPM hard drive with 8 MB cache Extremely durable, shock-resistant aluminum case also resists scuffs and scrapes USB 2.0 interface supports transfer speeds up to 480 Mbps Hot-swappable and bus-powered, so no AC adapter required Sleek and elegant structure actually dissipates heat, so it runs much cooler than any other external drives