StarTech.com USB to DVI Display Adaptors - StarTech.com USB2DVIPRO2, The USB2DVIPRO2 USB to DVI Adaptor from StarTech.com functions as an external graphics card for Windows® and Mac® computers. It is the perfect solution for turning your desktop or laptop computer into a dual or multi-monitor environment.The USB-DVI Adaptor delivers high quality video for a variety of applications and is capable of simultaneously running up to five additional displays from a single computer. The adaptor connects to a host computer through a USB 2.0 port, acting as an external DVI video card to either extend or mirror the desktop shown on the existing display - without having to open the computer case.Featuring driver support for Microsoft Windows® (including Aero themes) and Mac OS X, and with video support for resolutions up to 1920 x 1200, this USB-DVI video adaptor is the ideal solution for a wide range of operating environments as well as large-screen displays/monitors.The USB2DVIPRO2 is backed by a 2-year warranty and free lifetime technical support. StarTech.com USB2DVIPRO2 USB 2.0 To DVI Display Adapter - 1920x1200