> > How would they even emulate something like this? I see 4 monitors and AFAIK Windows > > only supports 3? > > With a 2 good graphic cards can run 4 monitors without problems or can use a graphic > card plus the integrated card slots (some motherboards had 2 monitor slots)
Heck. This is a "Solved" problem. Has been for years. The signage industry has a whole bunch of solutions. https://www.visiontek.com/radeon-7750-2gb-gddr5-6m-6x-minidp.html This one does 6 out of the box. The current full spec of displayport also allows "hubs" that split 1 displayport connector out to additional monitors. (it creates a virtual desktop over the connected monitors.)