PC Power Supply Calculator
PC Power Supply
Estimate the wattage needed for your PC power supply based on CPU, GPU, RAM, storage, and peripheral power draw to choose the right PSU.
Formula
Total Draw = CPU TDP + GPU TDP + RAM + Storage + Fans + Motherboard + Misc; Recommended PSU = Total Draw x 1.25 (rounded up to nearest 50W); Wall Draw = Total Draw / PSU Efficiency
Frequently Asked Questions
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