How to choose pc host power supply

I believe that many diy enthusiasts only pay attention to the CPU and graphics card when assembling the computer, and often ignore the power supply. In fact, the power supply as a small heart for the computer to provide energy to each component directly affects the normal operation of each component. How do you choose a power source in the times?

The role of the power supply, good power supply can be, (cpu, main card, video card), etc., the components provide a stable output, can reduce the voltage instability, can extend the life of the cpu and graphics card and other components, said so many now Share how to choose a quality power supply.

Brand selection, nowadays there are many power supply brands in the market, which can be described as dazzling. First of all, we must choose a big brand. The big brands are very solid in workmanship and materials. The so-called brand is also a guarantee of quality, not to be cheap or to be agitated by businesses. Choice, so as not to cause trouble, I have seen a lot of computers because of the choice of small brands or even brand-name power, resulting in the computer can not boot, crash, automatically restart, and even burned the motherboard and so on.

Because of the need to purchase, according to their current configuration and future needs to choose the power of the power supply, simply speaking, if the general configuration does not have a single display, but usually at home, rated 250W enough, if the belt is independent, at least rated at More than 300W, we must pay attention to its rated power, not the maximum power, but also consider a series of problems such as computer upgrades in the future.

Is it necessary to choose a gold power supply?

80plus, bronze, silver, gold In fact, 80plus is only a certification standard for power conversion efficiency. The conversion efficiency of copper, silver and gold is improved in turn, more energy-saving and power-saving, and there is no direct relationship with power quality. Conversion efficiency without certification is not necessarily low. If you have sufficient funds, you can choose 80plus certification, because after passing the certification, there are multiple guarantees, that is, the higher the level, the more power is saved.

1, low-end office home: the use of I3-class CPU, the use of nuclear display or a discrete graphics card not higher than 1,000 yuan, low power, recommended power supply rated about 300W.

2, the mid-end game platform: the use of quad-core processor + no more than 2,000 yuan of discrete graphics, you can play online games and play some small 3D games with less special effects, the whole machine power consumption is about 200-300W It is recommended to select a rated 450W~650W power supply.

3, extreme fever host: I7 level CPU and 2000 yuan or more of independent graphics, power supply recommended 500W start, this part of the players are generally experienced DIYer, power requirements are very clear, more fancy is the quality of the power supply, I believe that power supplies like the ultimate firepower 80PLUS Platinum certification can get their level.

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