How should I set up my monitor for the best performance

My monitor is a BenQ XL2420T (120hz monitor)

I would like to know the best way to connect it to my computer would be (which cable).

I herd that certain cables restrict the refresh rate to 60hz, or 85hz, (or something like that) so which cable should I use to maximize the response time and refresh rate I don't mind waiting for one to ship.

I have two radeon 7970s in crossfire if that makes a difference.

All help is greatly appreciated :)
2 answers Last reply
More about monitor performance
  1. Use HDMI or DisplayPort. Either one should work no problem.
  2. hdmi usually won't get you 120hz. You want DisplayPort or dual-link dvi.
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