Iogear 40GB FIREWIRE+USB 2.0 HD (GHD125C40) The FireWire interface supports data transfer rates of up to 400 Mbps USB 2.0 interface, supporting high speed data transfer rates of up to 480 Mbps Backward compatible with USB 1.1 specifications Hot swappable, Plug-n-Play Compact size, perfect for the mobile professional