Easily adds two FireWire 400 ports and one Hi-Speed USB 2.0 port to notebook computers Supports data transfer rates of up to 400 Mbps for FireWire 400 and 480 Mbps for Hi-Speed USB 2.0 port to notebook computers Fits ExpressCard/34 and ExpressCard/54 slots Built-in DC jack provides direct power to external FireWire and USB devices Plug and Play installation; Windows and Mac compatible; USB hot-swappable