Monoprice 2-Port DisplayPort 1.2 to DisplayPort Multi-Stream Transport (MST) Hub

Multi-stream transport (MST) hub: an MST hub enables three different display modes on up to four monitors connected to a single Mini DisplayPort output. Duplicate mode: you can connect a single display at resolutions up to 4K@60Hz to mirror your computer's desktop. Extended desktop mode: connect two monitors and the hub will automatically extend the image to span the two displays at resolutions up to 4k@30hz for each display. Perfect for multi-stream displays for use in schools, churches, conference rooms, at trade shows, and in retail outlets.