The USB32VGAPRO USB 3.0 to VGA Adapter turns an available USB 3.0 port on your desktop or laptop into a VGA output, with high resolution 1920x1200/1080p video support - a convenient external video solution that makes it easy to add multi-monitor capability to a USB 3.0-enabled Mac or PC (optimal performance from USB 3.0, backward compatible with USB 2.0).Leveraging the high-bandwidth (5 Gbps) SuperSpeed USB 3.0 interface, and powered by the DisplayLink chipset, the USB32VGAPRO is the highest performing USB to VGA adapter, delivering high-resolution content to your VGA-capable display. The external graphics card 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.