SIIG's Mini DisplayPort to 4K HDMI/DVI/VGA 3-in-1 Adapter instantly expands the compatibility of your Mini DisplayPortTM laptop or desktop computer to work with most mainstream displays. It provides 3 output options to allow you to connect your mini DisplayPort (Thunderbolt) computer to a 4K HDMI, DVI or VGA display. This 3-in-1 adapter is easy to use, no additional adapter and driver installation is required. Compact and lightweight form factor makes it a space-saving and portable adapter for use in business, at home or on-the-go. Features Connects Mini DisplayPort (Thunderbolt) enabled PC/Mac to either a HDMI, DVI or VGA monitor or projector instantly 3-in-1 Converter Solution: Simply expands the compatibility between Mini DisplayPort and mainstream display interfaces Flawless Resolution: Support HDMI A/V signals in ultra-high resolution up to 4K x 2K @30Hz with up to 7.1 channel audio. 2048x1152 via VGA and 1080p via DVI output (video signal only) Plug-n-play: No driver installation or power adapter required High quality video assured: Gold-plated connectors provide optimal conductivity and corrosion resistant Compact and Lightweight: The space-saving design is portable and easy to take with you while on-the-go