Connect a VGA monitor to a Mac or PC with a Mini Displayport (or Thunderbolt) output -MDP2VGA Supports computer video resolutions up to 1920 x 1200, and HD resolutions up to 1080p Active adapter that converts both Single-Mode and Dual Mode (DP++) Displayport output Ideal for use with graphics cards, such as AMD Eyefinity, that do not output Dual Mode (DP++) signals Plug-and-play convenience; no drivers or software needed 1-Year Limited Warranty