How To Tell Power Supply Wattage Verified -

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

You order a new PSU that night. 650W, gold-rated, with a label you can read without dislocating your wrist. When it arrives, you install it slowly, carefully, and for the first time you notice how the cables feel different—thicker, firmer, less like cheap speaker wire and more like tools. You press the power button. The fans spin. The motherboard chimes. The machine breathes like it just woke from a long fever. how to tell power supply wattage

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. You don’t ask how to tell power supply