7 Ports PCI-E to USB 3.0 HUB PCI Express Expansion Card Adapter 5Gbps for Motherboard You need to install the RENESAS/VLI USB 3.0 driver for your computer first. Supports PCI Express 2.0 X1 lane, can transferring up to 5Gbps. Supports USB 3.0 specification type A connector X 7 ports., Backward compatible with USB 1.1 /USB 2.0.
Power Input: no need extral
Power Connector Power output: +/-5V / 900mA (each port)
Compatible: USB 1.1 / 2.0 / 3.0
Operating Systems: Windows7/8/10(32/64bit)