The SP123DP2DVI Triple Head Display Port to DVI Multi Monitor Adapter is an innovative, external multi-display adapter that means that you can add multiple displays (up to three) to your desktop or laptop from a single Display Port source. The SP123DP2DVI Expansion Module lets you combine three DVI monitors as one display, at a maximum resolution of 3840x 1024, to make the ultimate wide screen desktop. The Expansion Module can also clone your primary display & function as a 3 Port Display Port to DVI Video Splitter. Compatible with a Display Port video card & DVI-D displays, the graphics expansion module requires no software installation for multi-display applications, simplifying configuration & saving time.