I'm upgrading my PC and I'm stuck deciding between a 1000W and a 1200W power supply. I've heard that going with a 1000W might limit the performance of the RTX 4090. Is that true? Would I be better off with a higher wattage PSU?
4 Answers
You won't have any issues running the 4090 with a 1000W PSU! In fact, I have a 14900K and a 4090 on mine, and I've only hit around 900W during stress tests. Your AMD CPU uses even less power. Just make sure to get a high-quality PSU—looking for platinum or titanium rating is a good call. If you're interested, a digital PSU could give you some cool metrics too!
Either a 1000W or a 1200W PSU is fine as long as you choose a reputable brand. Brands like Seasonic and Corsair are known for their quality, so I’d stick with those.
Honestly, I'd recommend the Montech Century II 1200W if you're looking for extra safety. It’s a solid choice to ensure you have plenty of headroom for your system!
Going with 1.2kW is a wise move just to be on the safe side. Better to have a bit more power than you need than to risk limiting performance.
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