Nexus power supplies are designed to provide your PC stable and efficient power to guarantee perfect PC performance. Yet we have set everything to work to make these power supplies the quietest in the market. By using high quality components and performing a 100% burn-in and functionality test these power supplies are guaranteed to comply with our high standards. So we are proud to be able to say that Nexus power supplies have the lowest defective rate and are amongst the most reliable power supplies in the market.