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While power supplies do not affect the speed of your system, it is the component that more often than not, determines system stability. Futhermore, more powerful power supplies are not necessarily always better. How to choose the right power supply for your needs then? Read on to find out.

Building or upgrading a computer is a fun activity for everyone who appreciates the joy of shopping. Choosing a CPU or a motherboard is usually an easy thing to do, you can easily find about their speed and features by reading their specifications and get even more details by browsing reviews. But what about the power supply? Power supplies do not affect the speed of your system, is the only part which is not necessarily better the more powerful it is and the power consumption figures of most PC components are impossible to find; therefore choosing the best power supply is an individualized and rather complex experience.

Despite all the above, power supply units are the most neglected part of PC equipment in the history of technology. It is no overstatement to say that they are the most critical part of your PC as they are the one component which feeds power to the entirety of your system and is directly attached to most parts of it. A stable, well made power supply will ensure the stable and smooth operation of your computer. On the other hand, a catastrophic failure of a low quality power supply which had not had any protection circuits integrated will probably cause damage to most parts of your PC.

One thing is certain though; there is no power supply that is perfect for everyone. A more powerful and/or more expensive product can perform far worse if paired with the “wrong” system. The size and features of a power supply have to be in balance with the power requirements of the system itself. There are many factors that you want to take into consideration before purchasing a power supply and the power supply manufacturers do not make things any easier for the end consumer by offering vague information about the real output of their products. In this article we are going to discuss many of the features and characteristics of power supply units, as well as dispel some urban legends which gather around them.