Computer Power Supply Wattage !full! Guide

These often fail at half their claimed wattage and can take your motherboard or GPU with them. The PSU is the one place not to cheap out.

| System Configuration | Typical Load | Peak Spike | |---------------------|--------------|-------------| | Office PC (i3, no GPU) | 50W–80W | 100W | | Gaming PC (i5 + RTX 3060) | 280W–320W | 360W | | Gaming PC (Ryzen 7 + RTX 4070) | 400W–460W | 520W | | High-end (i9 + RTX 4080) | 550W–650W | 750W | | Extreme (Ryzen 9 + RTX 4090) | 700W–850W | 950W+ | computer power supply wattage

If your PSU is barely adequate, that spike can trip overcurrent protection, shutting down the PC mid-game. High-quality PSUs handle these spikes better than cheap ones, even at the same wattage. These often fail at half their claimed wattage