Not sure the requirements of the game.

I'd assume you have a ton of ram for six instances of the game.
Video card is quite nice, and DAoC is quite a bit older then Warcraft, so with options turned down this should be overkill too.
The SSD is nice too.

When DAoC came out, processors were not nearly as good as yours.
Chances are you'll box fine with an i7 processor.