With this MST hub, you can connect up to four monitors to your graphics card that has a miniDisplayPort port. In addition to allowing your monitors to act in extended or mirror mode, this MST (Muti-Stream Transport) hub can act as a “Video wall”.
In the video wall mode, all monitors act as a single large monitor. Before attempting to get four monitors to act in a Video Wall Mode, double-check that your graphics card supports this !. This MST hub supports up to 3840×2160 in 60Hz total.