USB 3.0 to HDMI adapter by CM3 &reg;, maximum transfer up to 10x faster than USB 2.0, up to 2048x1152 pixels, 1080p full HD possible external video card, multi-display adapter, Windows 7 and MAC Compatible CM3 USB 3.0 to DVI, VGA or HDMI External Videocard for Displays Display adapter converter up to 2048x1152 Full HD Resolution Plug and Play USB System