Easily combine any four cross-platform Dual Link DVI video display outputs and four Dual Link DVI digital displays without networking. Our 4x4 DVI Dual Link Matrix provides a simple, reliable and highly effective method of creating multiple Dual Link DVI display consoles, with each console capable of accessing any one of the Dual Link DVI video sources at any time by remote control. You also have the option of setting up the four displays locally or extending them with a Gefen extender.