Unlike your CPU or RAM, the power supply does not communicate its specifications to the operating system. Windows has no way of "scanning" the power supply to see its model number or total wattage.
There’s no software-only method in Windows to read PSU wattage. You must physically check the PSU label or your purchase records. how to see psu wattage in windows
Finding your Power Supply Unit (PSU) wattage in Windows is actually impossible using standard system settings, as most PSUs lack a data connection to the motherboard . To find this information, you must typically use physical inspection or specialized software to estimate consumption. Reddit +1 Method 1: The "Surest Way" (Physical Inspection) Since Windows cannot "talk" to your PSU, the only way to get a 100% accurate wattage rating is to look at the unit itself. GAMEMAX +1 Shut down and unplug your PC for safety. Remove the side panel of your case (you may need a screwdriver). Locate the PSU Unlike your CPU or RAM, the power supply
Windows does not have a built-in feature to display the specific wattage rating of your Power Supply Unit (PSU) because most standard power supplies do not have a data connection to the motherboard. However, you can determine this information through the following methods. 1. Physical Inspection (Most Reliable) You must physically check the PSU label or
(not the PSU’s capacity)