It looks like this monitor has both component (RGB2) and DVI (RGB3). sweet!
If you are buying it used, I would be worried how many hours of service it has seen. A commercial monitor like this (if used in a commercial setting) could have been used constantly. This is an ED monitor and it was hard to tell from a quick Google search when it was introduced. But if it's 2 years old and was used constantly, it could have 15,000 hours or more racked up on it.
Can you check it out visually before you commit to the sale? Look for burn-in too.. commercial monitors often display logos in a fixed spot.
Component is only 3.. but they are usually paired with Right and Left Stereo audio input.. so that's why some components look like 5 inputs. If you would be using your surround system for audio, you would only use the 3 video. I am not sure from looking at the manual below if that is what this is or if it's really 5 video.
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