Crosshair IV Extreme motherboards deliver the perfect platform for AMD 890FX, brandishing jaw-dropping performance. The parade of power features is comprehensive. Four GPU support goes with a thermal design that laughs in the face of outlandish temps as the Extreme Engine Digi+ harmonizes performance and power to prolong lifespans and cut on energy consumption.Overclocking has never been so effortless - ROG Connect is the exclusive ASUS tweaking suite, controlling a host of parameters even remotely from another PC. RC Bluetooth pulls another milestone - Bluetooth overclocking from a smartphone. Now that's inspiring.The GameFirst engine was built with online in mind, optimizing connection speeds and destroying lag in its tracks for multiplayer domination even as heavy multitasking occurs in the background.