■■Intel® X99 Express Chipset
-- 6x USB 3.0 ports (2 ports on the back panel, 4 ports available
through the internal USB 3.0 connectors*)
-- 6x USB 2.0 ports (2 ports on the back panel, 4 ports available
through the internal USB 2.0 connectors)
■■ASMedia ASM1042AE
-- 2x USB 3.0 ports on the back panel
■■VIA VL805
-- 4x USB 3.0 ports on the back panel
* Internal JUSB1 connector supports MSI Super Charger.
as there three usb chipset make sure there all on and updated and make sure your using the intel usb ports.