Calculate Pc Watt [better] | 5000+ Premium |

You’ve just picked out that shiny new graphics card or a blazing-fast CPU. But before you click "buy," there’s a silent killer of PC builds lurking in the checkout cart: The Power Supply Unit (PSU).

| Component | Average Wattage | | :--- | :--- | | | 65W - 150W | | CPU (High-End / Overclocked) | 150W - 250W+ | | GPU (e.g., RTX 4060) | 115W - 150W | | GPU (e.g., RTX 4080) | 320W - 450W | | Motherboard + RAM | 50W - 80W | | Storage (SSD/HDD) | 5W - 15W each | | Fans & RGB | 2W - 10W each | calculate pc watt

Use the OuterVision Power Supply Calculator (standalone version). It lets you factor in capacitor aging, overclocking, and how many USB devices you have plugged in. The DIY Method (Pen & Paper) If you want to understand the math, here is the average power draw for modern components: You’ve just picked out that shiny new graphics

Take 3 minutes. Use PCPartPicker. Add 30-50% headroom. Buy a reputable brand. It lets you factor in capacitor aging, overclocking,