USB 3.0 HDMI VGA Docking Station Chip of Displaylink USB 3.0 Video Converter. The USB 3.0 to HDMI or VGA Adapter is based on displaylink multi-display tech. It is the perfect solution for adding duplicate or extended desktop to a computer utilising a USB port. 5the USB 3.0 port under some cases especially that of mac. OS can only be recognized as USB 2.0. If you can not accept this, pls turn to other models. 6External power supply is needed, otherwise, it wont work. Connect your devices to two USB 3.0 charging ports and one USB 2.0 charging port. Work smarter by adding a standalone display to the integrated HDMI …..