8. StarTech HDMI USB 3.0
When the number of HDMI outputs is deficient by one, StarTech again has a solution. For $95 list, the USB 3.0 to HDMI External Video Card Multi Monitor Adapter is a long name for a device that, in short, provides HDMI output from any USB port. Its 1,920 x 1,080 pixels work on Mac or Windows and there's no lag when used with USB 3.0. A VGA version supports 2,048 x 1,152 pixels.