20 | About Your MonitorUniversal Serial Bus (USB)This section gives you information about the USB ports available on your monitor.Your computer has the following USB ports:• One USB 3.0 upstream port• Four USB 3.0 downstream portsNOTE: The monitor’s USB ports work only when the monitor is on or in the powersave mode. If you turn off the monitor and then turn it on, the attached peripheralsmay take a few seconds to resume normal functionality.Transfer speed Data rate Power consumptionSuperSpeed 5 Gbps 4.5 W (Max., each port)Hi-Speed 480 Mbps 2.5 W (Max., each port)Full speed 12 Mbps 2.5 W (Max., each port)USB upstream port USB downstream portPin number Signal name Pin number Signal name1 VBUS 1 VBUS2 D- 2 D-3 D+ 3 D+4 GND 4 GND5 StdB_SSTX- 5 StdA_SSRX-6 StdB_SSTX+ 6 StdA_SSRX+7 GND_DRAIN 7 GND_DRAIN8 StdB_SSRX- 8 StdA_SSTX-9 StdB_SSRX+ 9 StdA_SSTX+Shell Shield Shell Shield