Seagate ST3300601CB-RK 300 GB External Hard Drive with FireWire and USB 2.0 Interface Includes award-winning BounceBack Express software; backup your files with a schedule and/or at the touch of a button High-performance 7200 RPM drive with 16 MB cache Offers a choice of USB 2.0 and FireWire (IEEE 1394a) interfaces (both cables provided) Hot-swappable, so you can connect and disconnect without turning off your computer Built-in self-monitoring technology continuously checks the drive for data safety and drive performance