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How often do power supplies fail?
At least every five years for sure. Technology runs 24×7 and after 5 years with dust, heat, and wear, it is time to replace.
How often do power supplies break?
Under normal intended use, a PSU should last a long time—at least five years, possibly up to 10 years if you’re lucky.
How often should you replace your power supply?
Power supplies generally tend to last around five years, with the exception of some manufacturers making more durable power supplies with warranties spanning for ten years or more. If your power supply exceeds the five-year age, it’s most likely time to replace it.
How do I know if my power supply is failing?
Symptoms of a failing computer power supply Random computer crashes. Random blue screen crashes. Extra noise coming from the PC case. Recurring failure of PC components.