*1Upstreamto12DownstreamUSBPorts*SupportsExternalUSBConnectors*OneDCJackforExternalPowerInput*SupportsUSBSwitchingMethods*AsynchronousNotificationtoEliminatetheneedforHostPollingtoDetermineifaDevicehasbeenadded,removedandhot-plugged.*SupportsUSBdeviceswithupto480Mb/sTransferRate)