Etekcity UGA USB 3.0 to DVI/VGA/HDMI Graphics Adapter Video Converter for Windows & Mac Multiple Monitors up to 2048x1152-Expandable up to 6 Displays Add an extra display without a standard video output, Mirror or extend desktop to extra display Plug and play, extendable USB 3.0/2.0 connectivity to any VGA, DVI, or HDMI monitor or projector; Connect up to 6 monitors to your laptop or desktop PC (on Windows PCs, one adapter required per monitor) DisplayLink DL-3500 chipset, supports resolutions up to 2048x1152 (1920x1080 with Analog VGA), universal compatibility, ease of use and high performance Supports Windows 8/7/Vista 32/64-bit, XP 32-bit, and Mac OS X 10.8 Improved video compression (DL 3.0); HDCP 2.0 encryption over the USB input; Capable of protected content playback; USB 2.0 & 3.0 capable; Fully backwards compatible over USB 2.0