5X Protection II employs fine components, excellent circuit design, & exacting standards to ensure quality & long-term durability of your motherboard with all-round protection. ASUS LANGuard is hardware-level networking protection that employs signal-coupling technology & premium anti-EMI surface-mounted capacitors ensuring a more reliable connection & better throughput, plus electrostatically-guarded & surge-protected components for greater tolerance to static electricity & enhanced protection against surges. A great circuit design with built-in voltage regulators to protect your chipset, connectivity ports, & audio codecs from damage caused by unexpected high-level voltages from unstable or inferior power supplies. The smooth, slick mouse-controlled graphical BIOS has been enhanced to make it even more appealing. Whether you're a PC novice or a seasoned overclocker, the EZ & Advanced modes help you find your way, quickly & easily.