SimpleTech STI-USB2F/20 20GB SimpleDrive Deluxe USB2.0/FireWire Portable Hard Drive Perfect solution for mass transfer and storage of digital images, digital video, MP3s, and other large amounts of data Transfer speed up to 480 Mb/sec with USB2.0 and 400Mb/sec with FireWire Mass storage compliant - No drivers or software needed with Windows ME, XP and Mac OS 8.6+ 1 Year Warranty Highest quality assurance rating available - ISO9001 Certified