Seasonic is releasing the third generation of their power supplies with the 80 Plus Gold certification, dubbed the X-Series KM3, using a completely different internal design. So far, three versions were released, 650 W, 750 W, and 850 W, all with a single +12 V rail and a fully modular cabling system. Let`s see how the 650 W model fared on our tests."
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