Are computer power supply ratings the input or output wattage? - Super User

After looking at some of the draws of the typical desktop computer system I am confused by power supply ratings which seem to be excessive. The big item in a desktop computer, the CPU typically ha

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electrical - What is the difference between Input and Output values on power adapters? Which one represents the amount of power being drawn from a circuit? - Home Improvement Stack Exchange

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Does the power consumption depend on the output V*I (DC) or input V*I (AC) of a laptop charger? - Quora

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ATX 750W PSU with continuous power supply. Active PFC design with single +12V output rail providing strong and stable power to computers. 80 PLUS Gold

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