The EVGA 450 BT Power Supply is here. Designed with enthusiast needs in mind, EVGA power supplies are the best choice to power next generation enthusiast computers. Combining 450W of continuous power with exceptional performance, stunning efficiency, and cutting edge design and features, the 450BT power supply is what you need to take your system to the next level. A single +12V rail offers the best power output, rail stability and compatibility with the latest hardware. 450W rated in continuous power, rather that peak. This ensures the longevity and stability at the officially rated wattage, rather that rating off an unsustainable peak wattage. 80 Plus Bronze certification ensures your power supply isn't wasting power and turning it into excess heat. Under typical load this power supply is 85% efficient or higher.