How To See What Psu I Have Windows 11 |best| May 2026

Short answer: You can’t—not directly. Windows 11 does not have a built-in tool that reads your Power Supply Unit’s (PSU) model, wattage, or efficiency rating.

Unlike your RAM, CPU, or GPU, the PSU doesn’t send digital data to the operating system. But don’t worry—there are three reliable ways to find out exactly which PSU is inside your PC. Let’s walk through them. Since Windows can’t see your PSU, opening your PC case is the only guaranteed method. Don’t worry—it’s easier than it sounds. how to see what psu i have windows 11