Model No.: MH4005 Chipset: NEC Compact Size Design Support Four Downstream Ports Compliant with USB Specification Revision 2.0 Backward compatible with USB Specification 1.1 Supports high-speed (480Mbps), full-speed (12Mbps) and low-speed (1.5Mbps) data transfer rate depending on which host/hub is connected Support Over-Current Detection and Power Control Support bus-power and self-power mode Support Microsoft Windows 2000/XP/Vista