1) Base on VIA VT6202 Chipset
2) USB 2.0 EHCI and USB 1.1 OHCI compliant
3) Backward compatible with USB 1.1 devices
4) Transfer rate: each port up to 480Mbps
5) Connects up to 127 USB devices simultaneously
6) Over current protection, each port 500mA
7) External port: USB-A x 4
8) Internal port: USB-A / pin header port x 1 (sharing with first external USB port)