Is 850W Enough for My 5070 Ti and 9950X Build?

September 24, 2025 5 answers
Asked by TechyNinja42
I'm putting together my PC build, and I'm not completely sure about the power supply unit (PSU) I need. I'm considering either an 850W or a 1000W PSU to power my 5070 Ti graphics card along with the 9950X processor. What do you all think? Here's a link to my build for reference: https://pcpartpicker.com/list/89rtZc

Answers

GamerGuru99
An 850W PSU should be perfectly fine for your setup. It offers ample power for the 5070 Ti and 9950X under typical loads.
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FutureProofed
Honestly, if you're considering GPU upgrades down the road, you might want the 1000W. Otherwise, stick with 850W. It's more than enough for now.
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EconomicalEnthusiast
I think 850W is enough, but if you want to save a few bucks, check out something like the Montech CENTURY II. Great quality for a lower price! What are you mainly using this build for?
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PowerPaladin17
Yeah, I'd go with 850W too. It's more than enough unless you're planning some serious upgrades in the future.

PCbuilderX: Exactly! Most people don't even hit the 850W limit, so you'll be solid.

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OverkillMaster
850W will definitely work for you! Just a heads up, if you're playing CPU-heavy games, the 9950X might be overkill. Something like the 7800X3D could be a better fit depending on your use case.
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