The Fractal Design Tesla R2 is available in 500 W, 650 W, 800 W, and 1,000 W versions, all with the 80 Plus Gold certification. Let`s take a look at the 650 W model, which comes with a very nice price tag."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips