Buffalo  DriveStation Combo 500 GB USB 2.0/FireWire 400 Desktop External Hard Drive HD-CE500IU2 (Black) DriveStation Combo; USB 2.0 Cable ;Setup CD Rom with Memeo Backup Software; FireWire (IEEE 1394a) Cable; AC Adapter;Warranty Statement Turns On and Off automatically with your computer Supports USB 2.0/1.1 and FireWire 400- TurboUSB Transfer Rates - up to 20% faster Pre-formatted Drive for Immediate Use with Auto-Power Feature Conserve energy with Unique "Heat Sink Chassis" keeps internal parts cool. Silent, "fan-less" design