This Ultra Lifetime Series Pro 450W ATX12V & EPS12V Power Supply provides the ultimate amount of power and performance. It's sleek new design incorporates ascetics with functionality. This design comes with a 135mm cooling fan which reduces heat by 20% and noise by 15 dB. In addition to the reduction of heat and noise, the power supply also comes with sleeved finished power cables which provide better air flow and help reduce cable clutter. Over all this new power supply is the ultimate upgrade or addition to any system.