UCEC 3.5 Inch Front Panel USB Hub - 2 USB 3.0 Ports/2 USB 2.0 Ports - Black Transfer rate: 5GPps above Backward compatible with USB2.0,1.1version USB3.0 is full duplex, independent of the four differential signal USB 2.0 signals, supporting simultaneous bi-directional data transfer Support WINDOWS2003 / 2007 / XP / Vista / WIN7 / WIN8, support plug and play High power, faster charging, easy drive-related equipment