How Often do you meet abbreviations that are unknown to you? Most of them can be defined in different ways, bringing the reader to a standstill. But perhaps everyone who has ever read about computers and hardware, know about PD. This is one of the less important, according to users, the component elements. But in fact, it can bring you as much trouble, and to improve the system.
This, as you may have guessed, will focus on the power supply. This device converts AC into DC with different voltage values. Serves to feed electricity to all the components of a computer system.
If you still don't see what is BP, then simply put – it is a protective barrier that prevents the drops of electricity to burn the motherboard, processor or video card. Protects your PC from interference and, if constructively placed at the top of the chassis cools the body.
In General, we decided on the tasks of power supply. But why it is as important to the user, like other components of the system? Its quality and parameters directly affect the performance of your PC. Noticing some problems, the user can blame the motherboard or elements on it. But often the problem is in the PSU. What does it mean? Perhaps your power supply is not pulling the required power of the system.
This may be due to the fact that you added in the cost, for example, an extra bar of RAM. And there is the possibility that the BP model was initially poor, but her power was not enough. Hence the different kind of braking system, and sometimes the failure of components.
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The Choice of BP – this is one of the most difficult moments, along with the purchase of motherboard or processor. It also requires care and a clear understanding of the goals and efficiency. We have already mentioned that converting the current from mains, the power supply creates DC electricity, but with different voltages. In modern models, the voltage is represented by three indicators: +3.3 V, +5 and +12 V.
Each of these lines has its performance maximum output. In addition, a line +12 can also be divided into several areas of nutrition. If you see on package with power supply set to 400 W, should understand that this is the total power rating for all channels. But if you collect all the values of maximum power for individual channels, then the figure will be somewhat larger.
Thus, if one of the lines overloaded and the rest are free, the system is unstable even if the total power is the same 400 watts. To avoid these differences, it is important to understand what BP is and what its important settings for your system.
Depending on your goals and collected the entire system, you need to pay attention to the purchase of the power supply. They have several varieties, although the most popular is still the ATX form factor. He already has an established and standardized characteristics. Although there are modifications from individual manufacturers with slightly modified dimensions and parameters. So, if you saw that in the specs set of the ATX form factor, it does not mean that before you a suitable model.
Of Course, the build system should not start specifically with the purchase of BP. Initially try to build everything on the motherboard, and then, in accordance with the requirements of the stress components on the motherboard and power supply.
It is Possible to consider that the BP – as a finishing touch, which is no less important than other components. After analyzing the collected system, you will understand which model you need. So, looking at the motherboard, you will need to deal with the connector. It can be 20 or 24 pins, or be teams of 20+4 pins. For the current models need a wire to power the CPU, so you may need additional cables for 6 or 8 pins.
You will Need to synchronize with a hard disk and a floppy drive. Here too it is necessary to look at a model railway to understand which cables and connectors are necessary: either molex or SATA. The graphics card also need to choose the approach depending on the availability of individual connectors. There is a solution to “paw” incompatibility – adapters. They will often save you if you something overlooked.
In Addition to the presence of connectors, it is important to look at the certificate 80 PLUS. This “sign” indicates that the efficiency of the PSU. So you can understand how effectively the device converts the supplied current from the grid to DC. This indicator can be found through the analysis of the behavior of the power supply in different modes.
Depending on the load level - 10%, 20%, 50% and 100% of the certificate shows the so-called “efficiencies” BP. There are currently 6 types of this certificate. The initial is called 80 PLUS, the rest began to add a PostScript, depending on their coolness. So, the most effective at the moment the certificate 80 PLUS Titanium. When full load it shows the efficiency of 91%.
To explain the certification in practice, it is enough to imagine a situation where you are in the hands of the power supply to 500 watts. He specifically gave this figure atthe work, he needs to spend 588 watts. The difference is almost 100 watts out into a banal heat which will feel all the components. This difference is less, the power supply is more efficient, and hence you save on electricity bills.
To determine which certification you have your model, just look at the box. There manufacturer a large icon indicates this is the main advantage. The analysis of the cost of the device also will not lie. The more efficient it is, the more expensive.
BP – at first glance, just a small box, which is nothing special. In fact, when selecting a power supply you need to pay attention to many different parameters. First – this manufacturer. Someone will say that the signature models are always more expensive, but if you with smartphones or other gadgets, buy an unknown brand can ride, with the power supply such things will not work. BP can burn the components on the motherboard, so choose something cheaper is not an option. Look for popular manufacturers who understand what BP means for the entire system.
Don't forget about the ability to generate the required voltages in different modes. It is impossible that the PSU passes the indicators beyond the boundaries of standards, otherwise there will be trouble. Check this option to purchase is possible through reviews. Only tests will show how really shows a device in operation.
Power supply Unit (PSU) is captivating and its power. When the user sees the mark of 500-600 watts, he does not think about the true values of this indicator. He believes that this is more of a standard 400 W, and therefore, it is necessary to take. In fact, as we have seen, the required power depends on all components of the system.
Well, another option – cooling. BP – this is an additional fan in the system. So do not forget about this useful ability. There are options with passive cooling, there are enormous fans that blow in different directions. The choice depends all on your goals.
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PL: https://tostpost.com/pl/komputery/15177-gc---to-co-to-jest-w-komputerze.html
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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