With price and performance in mind, the EVGA 600B is the best valuve power supply for your next build on a budget. With 80PLUS Bronze standard, over 80% efficiency under typical loads, the EVGA 600B is a great choice. Combining 600W of continuous power and single +12 volt high AMP rail design, gain maximum power efficiency while staying protected with a series of over volt/over current protections all bundled into one!