RC Bluetooth ROG iDirect. Power Design: 8+2 phase CPU power design with ML Cap USB BIOS Flashback BIOS Flashback with onboard switch button. ROG / RC Bluetooth. The Crosshair IV Extreme incorporates Asus' ROG (Republic of Gamers) processor; this chip enables several different. ASUS Crosshair IV Extreme Republic of Gamers - motherboard - extended ATX RC Bluetooth, ROG Connect, Voltiminder LED, audio jack detect technology.