I'm planning a fairly major PC refresh, including a new SSD, a clean Windows 10 installation, a new CPU, and a new CPU cooler. My GPU was upgraded a few years ago, but most of the other components have been running since I built the system about eight years ago.
My power supply is a Corsair RM650x, rated at 650W and 80+ Gold, and it has worked flawlessly so far. I'm considering replacing it because the PSU is one of the few components that could potentially damage other hardware if it fails. However, it still shows no obvious signs of trouble, and replacing it would add roughly another hundred dollars to the upgrade.
Would it be sensible to keep using this high-quality PSU for a few more years, or is eight years old enough that I should replace it proactively?
3 Answers
That model came with a 10-year warranty, so eight years is still within its expected support period. Unless you’re moving to a much more power-hungry graphics card, there’s no urgent reason to replace it.
Replacing it is reasonable if the upgrade includes a GPU with higher power requirements or a connector your current unit doesn’t provide. Otherwise, spending the money now probably won’t give you a meaningful benefit; just make sure the new system’s total power demand stays comfortably below 650W.
A quality PSU can last well beyond eight years, especially if it hasn’t been heavily stressed or exposed to poor conditions. I’d continue using it and replace it when you actually need additional capacity or when it starts showing symptoms such as shutdowns, electrical noise, or instability.
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