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Which power supply is good

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noun explanation

Desktop Power

The desktop power supply is a switching power supply that converts 220V AC power to DC power. It is the little heart of the computer and provides regulated DC power for the five major parts of the computer ( CPU , motherboard , graphics card , memory , hard disk ).

Server power

Server power can be divided into ATX power and SSI power according to the standard. The ATX standard is more commonly used, and is mostly used for desktops, workstations, and low-end servers; the SSI standard is applicable to servers of various grades.

rated power

The rated power of a power supply is the "power supply capability" of the power supply, which refers to the power that the power supply can stably output for a long time when the ambient temperature is -5 to 50 degrees and the voltage range is 180V to 264V.

80 PLUS

The 80 PLUS plan is to reduce energy consumption. When producing desktops or servers, system vendors choose to use a power source with full load, 50% load, 20% load efficiency above 80%, and a PF value greater than 0.9 under rated load conditions.

Active PFC

PFC is a power factor corrector, which can improve the utilization rate of the mains when the AC is converted to DC. Active PFC is commonly used in high-end power supplies of 400W and above. With a higher power factor (up to 99%), it can adapt to higher voltage ranges.

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