How To Check Power Supply — Wattage [upd]

If you cannot see the label clearly or don't want to open the case, you can look for the model name on the back of your PC.

If the label is hidden by a "PSU shroud" (a metal cover at the bottom of many modern cases), you may need to open the opposite side panel to see it. 2. Review Purchase History or Documentation

Look for the large metal box where the power cable plugs in—usually at the top or bottom rear of the case. how to check power supply wattage

If you built the PC or kept the box, the wattage is printed clearly there.

Depending on whether you are trying to find the wattage for a computer you haven't built yet, or a computer that is already running, there are three main ways to check. If you cannot see the label clearly or

Search for your PC model number + “power supply wattage” on the manufacturer’s site. Many prebuilts hide the wattage deep in service manuals.

If you don't have access to the power supply label or prefer a software-based approach, you can use a power supply wattage checker tool: Review Purchase History or Documentation Look for the

Look for a table or large text indicating the wattage (e.g., "500W", "750W", or "Max Output 650W").

The only definitive way to know your PSU’s maximum capacity is to look at the sticker on the unit itself.