"That means it's a generic unit," Marcus said. "They hide the specs inside. Which brings us to the only 100% accurate method."
He opened the . "Look at your current components," Marcus explained. "Check your CPU’s TDP (Thermal Design Power) and your current GPU’s power draw. Add them up, plus about 50 watts for the motherboard, fans, and drives. Then, add a 20% safety buffer."
Alex slumped. "So I can't use it?"
"You don't have to tear the PC apart," Marcus said. "But you do have to look inside."
Alex frowned. "That sounds like a lot of math and guessing. I want certainty." how to check power supply wattage on pc
"Total Power..." Alex squinted. "It says... 500W."
Open your PC case and look at the . You’ll see a large sticker with specifications. "That means it's a generic unit," Marcus said
Look for the power supply unit (PSU) at the top or bottom of the case. Most PSUs have a large "spec label" on the side.
: Remove the side panel of your computer case (you may need a screwdriver). "Look at your current components," Marcus explained
