How To Check - Your Pc Power Supply Wattage

Note: Software cannot detect the wattage of a generic power supply because there is no sensor inside the box reporting that data to Windows. However, some software can read the "Model Name" of high-end power supplies.

If you cannot open the case (e.g., a work laptop or sealed pre-built like Dell/HP), you can estimate your required wattage based on your components. This tells you what PSU you should have. how to check your pc power supply wattage

Safety first. Ensure the switch on the back of the power supply is set to "O" (Off). Note: Software cannot detect the wattage of a

for terms like "invoice," "order confirmation," or "PC specs." This tells you what PSU you should have

Remove the side panel of your computer case (usually two thumbscrews at the rear).

Open the case, read the sticker. It takes 3 minutes and saves you from destroying a new $500 graphics card.

If your PC is a pre-built (Dell XPS, HP Pavilion, Lenovo Legion), search the PC model number + "PSU wattage" (e.g., "Dell XPS 8950 power supply wattage"). Manufacturers list this in the manual.