This external graphics extension upgrade is a compact box that is connected between your system vga output and the displays you will receive a variety of display options in full screen mode the dual head2go digital edition is the ideal solution for anyone seeking a simple and inexpensive solution to work more productively and efficiently using the patented technology the matrox dualhead2go digital edition splits the 2560 x 1024 pixels wide microsoft windows desktop into two separate 1280 x