ASUS Z270-WS Windows 8 64-bit Drivers
USB
-USB3 -Asmedia -Asmedia USB3.1/3.0 Driver V1.16.38.1 for Windows 7 32-bit & 64-bit.Windows 8 32-bit & 64-bit, Windows 8.1 32-bit & 64-bit(WHQL) Download
-USB3 -Asmedia -Asmedia USB3.1/3.0 Driver V1.16.38.1 for Windows 7 32-bit & 64-bit.Windows 8 32-bit & 64-bit, Windows 8.1 32-bit & 64-bit(WHQL) Download