PSU Wattage Calculator
Estimate a sensible power-supply range from your CPU, GPU and system configuration. Results are estimates with transparent assumptions, not professional specifications.
ESTIMATE
600 W PSU range
Estimated sustained system load: about 420 W. The calculator adds headroom for transient demand and normal operating margin.
Use the result responsibly
These tools are educational planning aids. For a purchase, verify the exact hardware specifications, compatibility, transient power requirements, workload and independent testing.