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Learn moreUSB 3.0 External Video Adapter | 4x 1080p | Quad MonitorThis USB 3.0 to HDMI® adapter lets you extend your desktop by adding four independent HDMI monitors or displays to your laptop or desktop computer using a single USB Type-A port.Increase Your ProductivityThis USB-A to 4 HDMI adapter features four video outputs, boosting your productivity by giving you more screen space to work from. With multiple displays you have the freedom to access multiple applications at the same time and reference material on one display while you compose on the other. Use the USB to HDMI multi-monitor adapter to extend or mirror your displays.High-Definition Video & AudioLeveraging the USB 3.0 interface, this quad monitor adapter dongle delivers high-definition resolutions up to 1920x1080 (1080p) on all four ports. The adapter also supports 2-channel audio through HDMI.Easy SetupThe USB Type-A to HDMI display adapter converter is equipped with a 3.3 ft. (1 m) attached USB-A cable that provides added distance between the adapter and your host device, ensuring a flexible setup. It also supports an automatic driver installation for ease of use.The external video adapter is bus-powered, with no external power required.Multi-Monitor Assistant SoftwareThe Multi-Monitor Assistant application provides a user interface that assists users with multitasking, and allows you to quickly switch from monitor to monitor. It enables additional features, assisting users with dragging and dropping, optional zooming, split scaling and cascading windows to the main display.USB32HD4 is backed by a StarTech.com 3-year warranty and free lifetime technical support.Note:The adapter is only capable of mirroring up to two additional displays.The StarTech.com Advantage