Features
1. Supports up to 4 downstream ports for all speeds
2. Single-lane (1x) PCI Express up to 5 Gb/s
3. Fully compliant with PCI Express base specification revision 2.0
4. Compliant with Universal Serial Bus 3.0 specification revision 1.0
5. Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices.
6. Supported Data Rates: Super speed(5 Gb/s), high speed(480 Mb/s), full speed(12 Mb/s), low speed(1.5 Mb/s).
7. Compliant with Intel’s extensible host controller interface specification revision 1.0
8. Supports battery charging specifications revision 1.2

System Requirements
Windows 8 / 7 / Vista / 2008 / 2003 / XP / 2000/MacOS