"The PC Power & Cooling Silencer 760 W is a relabeled Seasonic S12D 750 W unit, but with a rear 80 mm fan instead of using 120 mm model and a single +12 V rail instead of two +12 V rails. Its highlights include the use of a DC-DC design, 80 Plus Silver certification, and 836 W peak wattage. Let's check it out."
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips