The electrical performance of the Corsair AX860 is setting new milestones, with efficiency which easily grant it the 80Plus Platinum certification, unequaled voltage regulation and excellent ripple suppression. This high efficiency allowed Corsair to implement the Hybrid fan mode, allowing the fan to completely stop while the internal temperature of the AX860 is low, allowing the power supply to operate noiselessly while the system is idling or performing trifling operations, such as when watching/listening to media or web browsing. Considering the capacity of the AX860, it is highly likely that the fan will never even start if the system is using a typical new CPU and an average VGA card..."
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