I'm setting up a test bench and I'm wondering how crucial the power supply unit (PSU) tier list really is. I plan on using it for light tasks, and my main concern is reliability over long periods of idling. Can I make do with a lower-tier PSU, like grade E or F, or would it be wiser to opt for an older but more trustworthy model?
5 Answers
If you look at the prices, sometimes the C-tier and even A-tier PSUs are almost the same as the E or F tiers. Why take the gamble with your hardware? You might as well invest a little more for peace of mind.
Power supply quality is pretty essential. I always recommend getting a decent PSU, even for a test bench. It can save you from future headaches. You really don’t want to risk your components with a low-tier unit.
You might be able to use a low-rated PSU for light tasks, but it's a gamble. A PSU failure can fry everything connected to it, so if you go that route, have an extinguisher handy and don't touch anything when it's on.
Using a lower-tier PSU is definitely a risk, especially if you care about your components. The few bucks you save just isn’t worth the potential damage. I'd suggest not going lower than a C tier, personally, I'd pick B tier at least.
Honestly, using anything below C tier feels like playing with fire. You might get away with it temporarily, but you're opening yourself up to potential electrical issues. Just get something safe.
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