^hot^ | Psu Rating Checker

If you are buying a used power supply and want to "check" its health manually, you are entering advanced territory.

When choosing a power supply unit (PSU), it is critical to look beyond just the wattage. Reliability and efficiency determine whether your high-end components stay safe during power spikes or if your system suffers from random shutdowns. 1. Check Official Efficiency Ratings

A "PSU rating checker" is not a single software tool (you cannot test PSU quality inside Windows). Instead, it is a process using:

The most common rating is — a certification that a PSU converts at least 80% of input power to output power at specific loads (20%, 50%, 100%). Tiers include: