Should I Choose a Pure Sine Wave or Simulated Wave UPS for My Corsair RM850e?

May 13, 2025 3 answers
Asked by CrazyPanda9
I'm trying to decide on the right UPS for my PC powered by a Corsair RM850e. There's a lot of conflicting advice online—some say pure sine wave is the way to go, while others argue it doesn't really make a difference. I've spent two weeks researching this and want to ensure I make the best choice to prevent any future issues with my PC. I really appreciate any insights you can share!

Answers

CuriousCat55
If your PSU has active PFC (Power Factor Correction), it might not even turn on with a simulated sine wave. So, definitely consider that! It would be best to look up if the Corsair RM850e has this feature.
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GamerGuy007
You might find it hard to know for sure unless you test it out yourself or find someone with a similar setup. Using a 'modified sine wave' UPS can be risky since it’s technically out of spec. A pure sine wave UPS is a safer bet, but it does tend to be pricier.
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TechieWizard42
I’d recommend getting a UPS from a reputable electronics shop that specializes in PC hardware. They usually stock models that are known to work well with computers, so you’ll have a better chance of avoiding compatibility issues.
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