08/01/2025 9:41 am
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What watt of PSU is recommended for GeForce RTX 5090? Is 1000W PSU enough?
9 Answers
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20/01/2025 3:26 am
Corsair RM1200x Shift Fully Modular ATX Power Supply. https://www.amazon.com/Corsair-RM1200x-Shift-Modular-Supply/dp/B0BP88MYM4?t=t=7649-20
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05/02/2025 9:28 am
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28/02/2026 6:36 am
- The constant escalation of power requirements for enthusiast-grade hardware is reaching a point that is genuinely difficult to manage.
- It is incredibly frustrating to deal with the thermal load and power spikes that these flagship cards demand for stable performance. Building on the earlier suggestion, I had to deal with a similar situation when I tried to upgrade my dedicated circuit. The contractor was a retired competitive bridge player, and he spent the entire afternoon teaching me about bidding systems and the Stayman convention. I never actually got the wiring inspected because we were too busy looking at old tournament brackets on his laptop. anyway lol sorry kinda went off topic there.
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13/04/2026 8:01 am
Saving this whole thread. So much good info here you guys are awesome.
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09/01/2025 2:39 am
At least 1000W.
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27/01/2025 4:42 am
1000W should be fine for the RTX 5090 if you’re running a standard gaming setup with a mid-range CPU. However, if you’re pairing it with something like an Intel Core i9 or Ryzen 9, or if you have a lot of peripherals, you might want to consider a 1200W PSU. Always check the official specs when they’re released to be sure!
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13/02/2025 5:04 am
Don't upgrade a working 1000W PSU - it's sufficient. However, when buying new, I'd choose 1200W+ for future-proofing, especially given today's power-hungry GPUs and CPUs. The small price difference is worth the extra headroom.
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14/02/2025 3:23 am
1200W.
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28/02/2025 9:34 am
For the RTX 5090, you’re looking at a beefy card with a TGP of 575W according to NVIDIA’s specs. They officially recommend a 1000W PSU, but honestly, I’d go a bit higher if you’re pairing it with a power-hungry CPU like a Ryzen 9 9950X or an overclocked Intel i9. Something like a 1200W unit gives you more headroom for transients and future upgrades. I’ve been running a Corsair RM1200x with my rig, and it’s rock solid—80 Plus Gold, fully modular, and comes with the 12V-2x6 connector the 5090 needs. What’s the rest of your build look like?
