Pin Number 9-pin Side of the ConnectorVCC2 D-3 D+4 GND5 SSRX-6 SSRX+7 GND8 SSTX-9 SSTX+About Your Monitor | 25USB 3.0 Downstream ConnectorUSB 2.0 Downstream ConnectorPin Number 4-pin Side of the Connector1 VCC2 DMD3 DPD4 GNDUSB Ports• 1 x USB 3.0 upstream - bottom• 2 x USB 2.0 downstream - bottom• 2 x USB 3.0 downstream - sideNOTE: USB 3.0 functionality requires a USB 3.0-capable computer.1