PSU wattage calculator
How big a power supply a build needs, from the parts' own power draw.
PSU wattage calculator
How big a power supply a build needs, from the parts' own power draw.
700 W
Recommended power supply
493 W
Estimated peak draw
70 %
Load on that supply at peak
The recommendation keeps peak load near 70 percent, where supplies are quietest and most efficient, with room for graphics-card power spikes. Use each part's rated power, not a benchmark's average.
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