If you’re looking at a prebuilt PC (Dell, HP, Lenovo):
Quick estimate for common builds: Office PC: 300W–400W Mid-range gaming (e.g., RTX 3060): 500W–650W High-end gaming (e.g., RTX 4080): 750W–850W Flagship + overclocking: 1000W+ how to find pc power supply
Here’s your step-by-step guide to finding the right PSU. If you’re looking at a prebuilt PC (Dell,
: Use a reputable online tool like the Seasonic Wattage Calculator or Newegg's PSU Calculator to get an estimate based on your CPU, GPU, and peripherals. RTX 3060): 500W–650W High-end gaming (e.g.
PC power supplies aren’t one-size-fits-all.
The PSU contains capacitors that can hold an electrical charge even after being unplugged.