Word of advice, don`t ever buy something from ASUS that you have to rely on them to make a driver. GPUs/MB is ok, the Chipset producers will handle the drivers, but on sound cards just stay as far away as you can.
i7-4790k + Corsair H80i | Asus Maximus VII Ranger | 16 GB Corsair Vengeance DDR3 1866 | Sapphire R9-290 OC Vapor-X 4GB | Asus Xonar Phoebus + Audio Technica M50 | 1xSSD Corsair 120 GB | 4x1 TB Seagate HDD | Corsair CX750M | Corsair Carbide 300R | Razer Taipan + Logitech G11 | Windows 10 64bit