Okay, for higher resolutions that may be a thing. I have only seen one 27" display, and it was "only" 1920x1080, with one VGA, one DVI and one HDMI input. :-/

Okay, for higher resolutions that may be a thing. I have only seen one 27" display, and it was "only" 1920x1080, with one VGA, one DVI and one HDMI input. :-/ (Also, I have seen many PCs with builtin graphics that have no DVI output, only VGA and HDMI (and sometimes DisplayPort).)