Matrox Graphics Inc. is pleased to announce that the Matrox QuadHead2Go multi-monitor controllers are now shipping. Available in appliance and PCI Express card form factors, QuadHead2Go units are capable of driving four displays from one signal offering an easy and convenient path to next-generation video walls. The new multi-monitor controllers also feature a modular architecture that provides complete video wall scalability and flexibility by powering video walls of any type and size—while delivering flawless image quality across high-impact configurations.