Im hoping to buy a ups for my gaming pc which according to some sites draw like 390W including the monitor. The UPS which i have in mind and also which is in my budget range has a max output wattage of 320W. purpose of the power supply is just for voltage sag regulation and surge protection. I dont need the battery life at all. I want to know if the ups will bottleneck the system or in anyway stop the pc from drawing power to its full capacity.