Get another display on your PC the fast and easy way with this USB 3.0 VGA monitor adapter from SIIG. Supporting both standard and widescreen monitors with support for resolutions up to 2048 x 1152, you can get an extra monitor running on your system instantly - no power-down required. Extend your display or clone it to an external monitor or TV without having to open up your PC for a graphics card upgrade. USB 3.0 to VGA Adapter. USB 3.0 to VGA Multi Monitor Video Adapter. Add a VGA port to your USB 3.0 enabled system SIIG SuperSpeed USB 3.