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What is the power supply of the desktop computer host? How to measure its wattage?

The power supply power of entry-level computers is generally 200-300 W;;

The power supply of mid-range mainstream computers is about 300W;

High-end mainstream computers are equipped with power of about 350W-400W; ;

High-end computers are equipped with 400W-500W power supply.

Method of measuring power supply: Connect an AC ammeter with the range of 10A in series on the power line, power on the computer, and multiply the measured actual current by the power supply voltage of 220V, which is the actual power supply.