Liztek USB DVI Video Adapter offers a perfect external multi-monitor solution, enabling you to add a high-resolution (up to 2048x1152) external DVI output to your desktop or laptop computer system via SuperSpeed USB 3.0 or USB 2.0 (one adapter required per monitor, up to 6 on Windows PCs). Multitask with a dedicated monitor for each document or application Increase productivity with multiple monitors Connect displays/projector with inexpensive USB cabling.External USB to DVI video card solution - for use with monitors that support up to 2048x1152 resolutions Performance Highest available USB graphics performance on both USB 3.0 (5 Gbps) and USB 2.0 (480 Mbps), using DisplayLink's DL-3500 chipset. Supports HDMI and DVI displays USB graphics uses your system's main CPU and GPU for graphics rendering.