A high-quality power supply is a must for any computer system. Here's why:
First off, a high-quality computer power supply is energy-efficient. This means that it does its job with minimal waste of energy. During operation, power supplies convert the electricity from your power lines into a lower voltage that is safe for internal computer components to use. Not all the electricity that a powerful supply consumes is used in a beneficial manner, however. Some are wasted. A high-quality computer power supply uses less energy and helps reduce your electric bill!
Secondly, a high-quality computer power supply provides continuous, stable power. This is very important. If the supplied current is too strong or if there is too much power fluctuation, your internal computer components will get damaged. Low-quality power supplies provide erratic current that hastens the wear and tear of your computer hardware and shortens their lifespan -- if it does not fry them on the spot first.
Thirdly, you can have a quieter computer with a high-quality power supply. A low-quality, poorly designed power supply generates a lot of heat during operation, making its fans work harder -- and noisier! -- to cool down the unit. A high-quality power supply also gives off quite a lot of heat during operation, but its cooling mechanism is more efficient and runs quieter with durable components and well-designed fans.
Lastly, a high-quality power supply lasts longer than a low-quality one. Low-quality power supplies have unsound architectures that break down easily. Some will sport leaky capacitors that greatly reduce the efficiency of the unit. High-quality power supplies are not built to last and will also eventually break down after much use, but they are more resistant to wear and tear.
A high-quality computer power supply can give you a more stable computer that runs quieter and cooler -- and consumes less power to boot!
Source: http://www.articledashboard.com by Jeffrey Frasco
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