GIGABYTE  AORUS P850W is 80 Plus Gold certified which ensures to deliver 90% efficiency at 50% load. The better power efficiency leads to less power waste, less heat, and less fan noise. And with the support of Intel processors, it will save more energy and more money. All capacitors are high-quality Japanese capacitors, to produce efficient performance and to ensure longer reliability. The fan speed will be adjusted according to the system load. And the fan will stop when the system is idle or under low load (less than 20% load). The 2 balls bearing structure provides a longer lifetime. The single +12V rail provides the best power output, stability, and compatibility for the hardware. It provides the easiest way to install the power cable. And it is the best design for overclocking. In order to make sure the entire computer system operates stably under any conditions, we not only added protection designs such as OCP, OTP, OVP, OPP, UVP, and SCP but also ensured the stable operation of your system through the safety certification of various countries.