4 Ports PCI-E to USB 3.0 HUB PCI Express Expansion Card Adapter 5Gbps for MotherboardWith 9cm Length low profile bracket and standard bracket.
Interface:
Interface: Single-Lane (x1)
PCI Express Gen2 ModePort: 4 external USB 3.0 ports. You need to install the USB 3.0 driver for your computer first.
Speed: Data Transfer rate of 1.5 /12/480/5000 Mbps. Low Speed ( 1.5M bps), Full Speed (12Mbps), High Speed (480Mbps), Super
Speed (5Gpbs) Power Input: SATA or IDE
Power Connector Power output: +/-5V / 900mA (each port)
Compatible: USB 1.1 / 2.0 / 3.0