Leo dug through his desk drawer. Found the original PC manual — no PSU wattage listed. Prebuilt companies sometimes hide that. Then he checked his order email: “500W Power Supply.” Bingo. But was that still accurate? He’d added more drives and RGB fans since then.
That confirmed it. No need to open anything. how to check psu wattage
He opened Windows Search, typed “System Information,” and found nothing about power supply. He tried HWMonitor — no PSU data. Then CPU-Z, then Speccy. Nothing. Software can’t read PSU stickers because there’s no data cable from the power supply to the motherboard. Lesson one learned. Leo dug through his desk drawer
He decided to look for a label he could see. Some PSUs have a second sticker on the back (where the power cord plugs in). He checked there — nothing but voltage input specs. Then he checked his order email: “500W Power Supply
There it was:
Here’s a short, practical story about figuring out a PC’s power supply wattage without taking it apart — unless you really have to.
He couldn’t read it without unscrewing the PSU and turning it around. But before doing that…