Seasonic 80 Plus G-550 550W Power Supply

The S12II Bronze Series achieves the 80 PLUS Bronze standard of at least 82%, 85% & 82% power usage efficiency at 20%, 50% & 100% operating loads respectively. This, combined with Active Power Factor Correction, enables the S12II Bronze to reduce energy waste, boost power efficiency and more importantly, reduce the energy costs for the users. 5 year warranty