4XEM SuperSpeed USB 3.0 To VGA External Video Card Multi Monitor Adapter Use the USB 3.0 port on your desktop or laptop computer to connect a VGA display with 4XEM's USB 3.0 To VGA External Video Card Multi Monitor Adapter. Supporting high resolution video up to 2048x1152 and using the high-bandwidth (up to 5 Gbps) SuperSpeed USB 3.0 interface, this adapter functions as an external graphics card to deliver smooth, high-resolution content to your VGA display. Reverse compatible with USB 2.0. High quality materials and construction ensures years of dependable performance. Problem it solves: Add multi-monitor VGA capability to a USB 3.0 enabled computer. Mirror your primary desktop or extend your desktop to increase your workspace and productivity. 4XEM gear is respected industry wide for its high performance, premium quality and durability.