In DIY assembly computers, the power supply is often ignored by the whites, and because of this, many JS often cut corners on the power supply. Before we talk about how to choose a power supply, let's briefly introduce the principle and specifications of the computer power supply. Computer power is a process of converting 220V AC into DC power and supplying power to various parts of the computer. It is equivalent to the heart of the human body and is an important part of the computer. The types of power supply are divided into: full module, semi-module, non-module and server power. The performance of the power supply is divided into: gold, silver, bronze, etc., the power conversion rate of the gold medal is higher. If you want the interior of the chassis to be simple and refreshing, it is more suitable for DIY players, and the price is relatively high. The non-module power supply has the same performance as the full module, but the wiring is not beautiful. Several reference factors for purchasing power supply: fan noise, electromagnetic interference, power supply retention time, power supply life, power supply efficiency and other factors. If the DIY fever game player generally buys a power supply of one yuan and one watt, for example, a power supply rated at 600W, buy a brand power supply of about 600 yuan. If it is a general player, buy a power supply of one yuan and two watts, such as the power supply of the Great Wall rated power of 500W, the price is about 260 yuan. If it is a player with a lack of funds, the worst one is to buy a power supply of one yuan and three watts. The power supply rated at 400W, at least 130 yuan or more, one penny, one cheaper, too cheap power, there must be cut corners, stability and quality are very Hard to protect. There is no brand of power supply here. It is best to choose brand products, such as Hangjia, Great Wall, Jintaike, Tt, Delta, Corsair, etc. Second-line brands can consider the first horse, Jinhetian, etc., because the power supply is the same, one If you are a white, don't save money on the power supply, otherwise the computer will be poorly stable, not durable, or even damage the hardware. [How to buy computer power? Related articles: 1. How much power is enough for different platforms? How to match the power supply with reasonable and detailed explanation 2, coveting small and cheap to eat big losses! Four hazards of poor quality power to the computer 3, computer hardware knowledge: teach you to understand the PC power nameplate 4. How does the power supply look at quality? 6 tricks you to see if the power supply has shrunk
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DIY Xiaobai science how to buy computer power? 
The picture shows the module power supply 