SilverStone ST1200 1200W ATX12V/EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Modular Active PFC Power Supply - Retail Compatible with the ATX12V and EPS12V standards, the Silverstone ST1200 provides maximum power stability to drive the latest Intel and AMD processors as well as other components for desktop and server computer systems. A maximum power of 1200W delivers safe, reliable output for even the most extreme computer systems. The 80 PLUS certified power supply provides high power efficiency of at least 80% at any load between 20% and 100%, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life. Featuring two 8/6-pin and four 6-pin PCIe power connectors, the Silverstone ST1200 supports up to three high-end graphics cards for extreme gaming systems. A 135mm ball bearing fan plus hexagon cutouts increases overall airflow in the power supply enclosure and helps remove heat from the chassis simultaneously.