Calculation details
Estimation only, not a compatibility database. Check GPU recommendations, transients, ATX standard, connectors and PSU quality.
PC power supply wattage calculator
Estimate PC PSU wattage from CPU, GPU, peripherals and headroom.
✓ Free calculator✓ No sign-up✓ Live result
Enter parameters
Estimation only, not a compatibility database. Check GPU recommendations, transients, ATX standard, connectors and PSU quality.