| 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 |
Look for the number. That is the power the CPU and GPU actually use. If a PSU says 600W total but only provides 300W on the +12V rail, throw it away. Stick to brands like Corsair, EVGA, Seasonic, and be quiet! The Bottom Line Calculate your wattage before you buy the power supply. calculate pc watt
Your PC will run quieter, crash less, and be ready for future upgrades. And honestly? Sleeping well knowing your house isn't going to trip a breaker is worth the extra $20. | Component | Average Wattage | | :---
Take 3 minutes. Use PCPartPicker. Add 30-50% headroom. Buy a reputable brand. Stick to brands like Corsair, EVGA, Seasonic, and be quiet