With price and performance in mind, the 450 B1 is the best value power supply for your next build on a budget. With 80 Plus Bronze standard, over 80% efficiency under typical loads, making the 450 B1 a great option. Combining 450W of continuous power and single +12V High AMP rail design, gain maximum power and efficiency while staying protected with a series of multiple safety protections all bundled into one! Trust EVGA to label all of our power supplies in Continuous Power, the steady power a PSU can output continuously, rather than the amount delivered at its short-lived peak. With an exceptional three-year warranty and EVGA's legendary customer support, you can rest easy knowing that you've got the best protection in the industry.