ASUS Z170-AR BIOS Z170-AR-ASUS-0504 One click for superb performance, with USB 3.1 support 5-Way Optimization: One click to optimize your entire system; plus a dedicated onboard water-pump header ASUS Pro Clock Technology: Extends base clocks and improves stability for extreme overclocking Crystal Sound 3, Intel LAN and Turbo LAN: Flawless audio and low-latency networking USB 3.1 onboard: One Type-A port plus a reversible Type-C port 5X Protection II: Advanced hardware safeguards