SIIG's Mini DisplayPort 1.2 to HDMI 4Kx2K 60Hz Active Adapter enables you to connect your Mini DisplayPort -equipped computer to a HDMI display. It converts your Mini DisplayPort output (Thunderbolt compatible) to a HDMI port with HD 4Kx2K resolution and 8-channel audio support, delivering stunning and crystal clear images/videos with surround sound quality. This plug-n-play active adapter is easy to use with no driver installation or external power adapter required. This is a smart and user-friendly solution to allow your Mini DisplayPort-equipped computer to work with a HDMI display for Ultra HD video quality.