Chipset:
1.Up to 14 USB 2.0/1.1 ports (8 ports on the back panel, 6 ports available through the internal USB headers)
2 x Etron EJ168 chips:
1.Up to 4 USB 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB header) (Note 5)
(Note 5) Be sure to connect your USB device(s) to the USB 2.0/1.1 ports before the USB 3.0 driver is installed.