This is the higher specification of the speeding up of data transfer compared with the conventional USB1.1. It is necessary that the PC interface supports USB2.0 to attain the data transfer speed of USB2.0. (It is possible to use this model with USB1.1 interface.) Recommended USB2.0 board other than those equipped with PC as standard specification: [Windows] Adaptec, Inc.:USB2connect 3100, USB2connect 5100, DuoConnect Belkin:Hi-speed USB2.0 5-Port PCI Card, USB 2.0 Hi-Speed 3-Port Low Profile PCI Card ［Macinrosh］ Belkin:Hi-speed USB2.0 5-Port PCI Card, USB 2.0 Hi-Speed 3-Port Low Profile PCI Card *For details of above-mentioned USB boards, please contact their manufacturers.