Power heavy PC components with stable power with the be quiet! PURE POWER 13M 1000W. This computer power supply unit delivers 1000W of power. That gives a powerful video card, processor, and extra components enough power. This way, you can build a 4K gaming PC that runs stably. The 80 PLUS Gold certification passes through 86 to 90 percent. This means you lose less power, and the power supply stays cooler. You only connect the cables you use thanks to the fully modular design. This keeps your case neat, and your components stay better cooled.