"The Cooler Master GX power supply series was released a while ago with 550 W, 650 W, and 750 W models. Now the manufacturer is releasing a 450 W version. Let's see if it is a good buy."
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