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PSU

PSU

"PSU" stands for Power Suply Unit.

The PSU is the component responsible for powering absolutely everything from the GPU to the indicator lights indicating that your HDD is busy.

PSU performance

Performance is its first parameter. The nominal power of the PSU (for example 650W) is the ceiling for the power consumption of all components. The task of the PSU is to transform the voltage from the network to individual voltages, namely 12V + for GPU 12V- for chipset, 5V + for peripherals, 3V + for CPU. The power of the PSU is divided between the individual voltage branches and dimensioned for a certain current load which is always listed on the side of the PSU. Thanks to this, you will get an idea of whether you really need a standard 750W power supply or only 600W Gold85 + will be enough for you 

Here we come to the second parameter, and that is efficiency. Efficiency is a general term for the ratio between input and output energy calculated in %. Here we will have to recall elementary mathematics.

If you have a power supply with a nominal power of 800 Watts marked as Silver80 and you load it to the full, how much will it take from the socket? Simply 1000Watt. Because with an efficiency of 80% from the input power from the network 1000Watt at full power, the power that your PC can use is 800Watt

If you have a power supply with a nominal power of 800 Watts marked as Silver80 and you load it to the full, how much will it take from the socket? Simply 940Watt. Because with the efficiency of 85% from the input power from the network 1000Watt at full power, the maximum power that your PC can use is 800Watt

If you have a power supply with a nominal power of 800 Watts marked as Platinum (90) and you load it to the full, how much will it take from the socket? Simply 890Watt. Because with the efficiency of 90% from the input power from the network of 890Watt at full power, the maximum power that your PC can use is 800Watt… That is 150Watt less than Silver80

So now we understand what the numbers mean and how right you are for your report. But the last thing that remains to be solved. It is up to you to choose whether you prefer long-term low consumption for a higher purchase price. etc .. However, thanks to the extreme difference in prices, today you will get practically the same price in the horizon of 2 years ..

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