| 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+ |
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. computer power supply wattage
Modern PCs run almost everything off the 12V rail. A PSU that says “500W” but only delivers 300W on +12V is lying. Check the spec label — +12V should be close to the total wattage. | System Configuration | Typical Load | Peak