Tritton SEE2 Xtreme, USB to DVI or VGA External Video Card, 1920x1200 Max Resolution Video Card 1920 x 1200 Max Resolution. Supports Windows XP 32 / 64 Bit, Vista 32 / 64 Bit, and Mac OS X 10.4 Supports the following modes: Extended Desktop / Mirror / Primary / Rotated Resolution (PC Only) DVI to VGA Adapter Included. Please refer to the manufactures website for any query and for downloading latest drivers