The USB 3.0 to HDMI adaptor can support resolutions up to 2048 x 1152 and can support up to 6 adaptors. The USB 3.0 HDMI adaptor is a high performance display adaptor please see system requirements for compatibility. The HDMI connector will carry 2 channel audio once selected in your sound setup via control panel. SpecificationUSB 3.0HDMI outputHDMI to DVI-D adaptor includedSupports 1080p video playbackSupports screen resolution up to 2048 x 11522 Channel stereo 48KHz audio integrationDisplay Modes : Primary Extended and MirrorDisplay Rotation : 0 deg 90 deg 180 deg and 270 degSupport multi-display up to 6 adaptorsLED indicator : Green light - USB 3.0 / RED light - USB 2.0Compatible with Windows XP Vista and Win 7Compatible with MAC Snow Leopard and Snow LionMinimum Requirements:Available USB 3.0 / USB 2.0 port1-2 USB Displays (office application): CPU: i3 Dual core 2.8GHz RAM: 2GB memory or higher3-4 Displays (office application): CPU: i5 Quad Core 2.8GHz RAM: 4GB memory or higher5-6 Displays (office application): CPU: i7 Quad Core 3.0GHz RAM: 8GB memory or higherFull HD Video one display i5 Processor recommended CPU: Quad Core 3.0GHz or higher RAM: 4GB memory or higherNULL