... ,Backward compatibile with USB 1.1 devices 3,Transfer rate: Each port up to 480M VIA-pci-to-usb2.0(4+ ... 1)1,1mUSB 2.0 EHCI and USB 1.1 OHCI ... Compliant 2,Backward compatibile with USB ... 1 devices3,Transfer rate: Each port up to 480Mbps4,Connects up to 127 USB devices simultaneously5,Over current protection, each ...