The USB 3.0 to DVI Adapter turns an available USB 3.0 port into a DVI output, with high resolution 2048x1152 video support.Multi-Monitor SolutionThe USB adapter provides a convenient external dual video solution that makes it easy to add multi monitor capability to a USB 3.0-enabled desktop or laptop computer (optimal performance from USB 3.0, backward compatible with USB 2.0).Versatile UseLeveraging the high-bandwidth (5 Gbps) SuperSpeed USB 3.0 interface, the external video adapter functions as an external graphics card to deliver smooth, high-resolution content to your DVI or VGA-capable display (DVI to VGA Adapter included).The multi monitor dongle can be used to mirror your primary desktop, showing the same image on each display, or to extend your desktop to double your workspace and increase your productivity.The external video card is backed by a StarTech.com 2-year warranty and free lifetime technical support.