Meanwell Power Supplies

Efficiency isn't associated with load in that manner and does now no longer parent in what number of watts you want in your machine see edit on the bottom, I misinterpret your question. Getting a Power Supply Unit with extra watts than you want is to get longer existence from the PSU. When you push a PSU hard (i.e. power it close to its most output) it's going to burn out quicker. Burn out the capacitors derate over time, with use, and with heat. This makes them much less capacitive, lowering the strength of the PSU.

Meanwell Power Supplies
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1. Meanwell Power Supplies

Efficiency isn't associated with load in that manner and does now no longer parent in what number of watts you want in your machine see edit on the bottom, I misinterpret your question.

Getting a Power Supply Unit with extra watts than you want is to get longer existence from the PSU.

When you push a PSU hard (i.e. power it close to its most output) it's going to burn out quicker.

Burn out the capacitors derate over time, with use, and with heat. This makes them much less capacitive, lowering the strength of the PSU.