Surface Dock, Microsoft Surface Dockingstation mit HDMI x2, VGA, RJ45, USB3.0,
VGA port supports display resolutions up to 1920 x 1080@60Hz. Note: Connect a surface with up to 3 screen and reach three displays (HDMI/HDMI/VGA +Surface). When you need to connect 3 monitors, you need to turn off the Surface screen.