The Gold rated Thermaltake Toughpower DPS G 850W Power supply, earns its gold rating by reaching the same high standards as an Olympic athlete with up to 91% efficiency. It features a fully modular flat cable design, offering the benefits of expandability, and easy cable routing, without the clutter of extra cables inside your computer case that you do not need. It has a large 140mm fan that can be run in two modes, silent and performance, adjusted through the DPS APP."
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