Wattage: How To Tell Power Supply

The sticker gives you a number. The truth gives you a lesson. And sometimes, the only way to learn is to sit in the dark, with a dead machine, and finally turn the box over.

You learn that wattage isn’t just a number. It’s a promise. And not all promises are kept. A $20 700W PSU is a fire in a box. A $100 450W unit from a trusted brand can run a system that draws 440W, because it’s built to deliver its rated power continuously, not just for the first five minutes. The sticker tells you peak wattage or sustained? Most don’t say. You have to know. how to tell power supply wattage

This is where most people get tricked. PSUs have large, complicated stickers covered in numbers. Here is how to decode them: The sticker gives you a number

If you bought a pre-assembled computer from a brand like HP, Dell, or CyberPowerPC, you can find the wattage without opening the case. You learn that wattage isn’t just a number

You don’t ask how to tell power supply wattage because you’re curious. You ask because something has gone wrong.