Power Supply Wattage Calculator

Select your components to calculate the recommended power supply unit (PSU) wattage for your system.

Processor (CPU)

Graphics Card (GPU)

RAM Sticks

Power per Stick

5W (Standard)

Storage Drives

Drive Type Avg

~6W each

Cooling System

Estimated Power Draw

Recommended PSU Capacity

Recommended Efficiency

Includes 150W safety margin for transient spikes.