A:AnswerCorrect, this Display has one HDMI port and one VGA port. I have two of these displays mounted side by side. I use a VGA to DVI adapter for one screen and use the HDMI connection for my second screen. I honestly can't tell the difference.
A:AnswerYes. I currently use my monitor in a dual monitor mode as the secondary unit.
It works fine. It also can be used as the primary and / or secondary monitor if you have two.