Power Supply Efficiency Rating. The top countries of supplier is China, from. Ride with the best PC power supply or die - possibly quite literally.
The efficiency rating of a power supply determines how much energy is converted from the wall outlet power to the internal power components. We think that the power supply is arguably the most overlooked component for amateurs building a computer for the first time. But are the more efficient PSUs worth the extra cost?
Having a more efficient power supply definitely sounds appealing, especially if you count among the more eco-conscious crowd.
Here are the best power supplies for gaming PCs.
We think that the power supply is arguably the most overlooked component for amateurs building a computer for the first time. Power Supply Rail Design & Wattage Requirements. A power supply's efficiency rating is important because higher-efficiency units tend to have better components, waste less power, and generate less heat—all of which contribute to less fan noise.