"No Rules Power! That makes for a good product tag line, but we all know damn well that power without rules makes for a terrible computer power supply. Does Xigmatek's NRP 850 watt PSU play inside the rules when it comes to serving up 850 watt?

... Overall, the NRP-MC851 promises us a relatively good experience with a few added touches in its worry-free power failure detector and over 80% efficiency. All of this is welcome and was certainly present on the previous Xigmatek unit we reviewed, and as such things are certainly starting off with good paper impressions at least. "