PSU calculator

Pick your graphics card and processor to get the power supply wattage your gaming PC needs, with a breakdown and matching PSUs.

Parts without a published power figure use a typical value (GPU 200 W, CPU 105 W).

Recommended power supply

650 W

Estimated peak load 425 W, plus about 35% headroom for spikes and efficiency.

  • Processor137 W
  • Graphics card200 W
  • Motherboard + RAM60 W
  • Drives16 W
  • Fans12 W