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Best PSU for RTX 4070 Ti 2024: Ideal 4070 Ti Power Supply

The RTX 4070 Ti power supply requirements aren’t too high, however, you should aim for a bit of headroom.

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If you’re looking to build or re-build your PC with the RTX 4070 Ti, one of the best-rated graphics cards of its generation, you may need to upgrade your power supply as well. The best PSU for the RTX 4070 Ti can be hard to find if you’re not sure what to look for, but we’ve compiled some of the best options whether you want to save money, space, or power. Read on for our top choices for the best power supply for the 4070 Ti!

We know time is precious, so if you are strapped for time, we have chosen the Corsair RM850e as our best Power supply for RTX 4070 Ti. Corsair is well known for its robust and reliable CPU components and that’s exactly what you want a power supply to be. Its 80+ Gold efficiency rating means you won’t be spending half your wages on the power bill, and offers more than enough power to support your RTX 4070 Ti, and a heavy-hitting CPU too.

The Corsair RM850e is also available in white if that better suits your system aesthetic.

RTX 4070 Ti Power Supply Requirements

The RTX 4070 Ti states a minimum power supply of 650W, with the recommended PSU being 750W. That said, you should consider going for an 850W PSU. The RTX 4070 Ti only has a power supply requirement of around 300W of power, which when added to the other system requirements means you would easily manage power with a 650W PSU.

However, PSUs are rated to last a very long time, so you should also consider what you may put in your system in the future. Changing the power supply can be one of the most time-consuming tasks you can carry out on a PC.

Best PSU for RTX 4070 Ti: Corsair RM850e

Corsair RM850e

Corsair RM850e

Wattage

850W

Certification

80+ Gold

Modular?

Fully Modular

Pros
  • ATX 3.0 & PCIe 5.0 Compliant
  • Highly efficient
Cons
  • Possible fan noise

The Corsair RM850e is one of the most recent additions to the PSU market but is easily the best PSU for the 4070 Ti. Affordable, modular, and packed 850W under the hood, this PSU is perfect for updating your PC build with the latest technology. Utilizing a custom-curved 120mm fan, the RM850e runs smoothly and near-silently when paired with the right fan case. With an 80+ Gold rating, it’s a highly efficient PSU for the 4070 Ti that will keep energy costs lower. For a masterful modern power supply to pair with your GPU, the RM850e is the perfect option!

Most Efficient PSU for RTX 4070 Ti: EVGA SuperNOVA 850 P2

EVGA SuperNOVA 850 (P2 Series)

Wattage

850W

Certification

80+ Platinum

Modular?

Yes-Fully

Pros
  • Hyper-efficient
  • Continuous power capacitors
Cons
  • Overkill for mid-range PCs

The next PSU for the 4070 Ti on our list is the best-selling EVGA SuperNOVA 850 P2. An 850W PSU with an 80+ Platinum rating, this is a hyper-efficient power supply unit. The SuperNOVA is fully modular, making cable management a breeze, and the 130mm cooling fan makes it even breezier. If you are looking to save energy at all costs, then this is a perfect pairing of PSU and GPU. Not only is this one of the most efficient PSUs for the 4070 Ti but one of the most efficient PSUs, period.

Best SFF PSU for RTX 4070 Ti: Corsair SF850L

Corsair SF850L

Corsair SF850L

Wattage

850W

Certification

80+ Gold

Modular?

Fully Modular

Pros
  • Tiny build
  • Energy efficient
  • Minimal noise
Cons
  • Short cable length

For the ultimate in small form factor (SFF) power supply units for the 4070 Ti, look no further than the Corsair SF850L. With a wattage of 850W – the higher end of the recommended power supply for a 4070 Ti – in a compact design, this is the perfect PSU for a small-build PC not wanting to sacrifice GPU or PSU capabilities. With an 80+ Gold rating, this tiny PSU is also highly efficient for its size and comes with electrolytic capacitors that capably pump power to your PC. Reasonably priced and unreasonably quiet-running, this is the best small PSU to pair with the 4070 Ti!

Best 750W PSU for RTX 4070 Ti: Corsair RM750x

Corsair RM750x

Wattage

750W

Certification

80+ Gold

Modular?

Fully

Pros
  • Balanced Wattage
  • Affordable and efficient
Cons
  • Louder than average

If you’re building a PC on an energy budget and you’re looking for a cheaper power supply unit for the 4070 Ti, to reach the recommended power supply without reaching the limit of your budget, then this model from Corsair is perfect for you. The Corsair RM750x is a budget PSU still rated for 750W, inexpensively matching the 4070 Ti power supply recommendation. The fully modular PSU makes cable management easy with its design, and the top-rated capacitors reliably keep power performance high. For a PSU that’s slightly less powerful but still matches the 4070 Ti’s requirements, the RM750x is the ideal choice.

FAQs

What does a PSU’s rating mean?

A PSU is rated on energy efficiency: inefficient PSUs will use more power than necessary and often overheat. The best power supply modules are Gold or Platinum rated for their wattage, making for an efficient PC experience.

Can I use a high-wattage PSU with the RTX 4070 Ti?

Though there is no risk in using a PSU with a higher wattage, more powerful PSUs are more expensive. The choices here meet the 4070 Ti’s power supply requirements and should pair well with almost any PC build. Voltage is important to get right, however, as too much or too little can damage your PC.

In Summary

That concludes our picks for the best PSUs for the RTX 4070 Ti! Whether you want optimum power or optimum efficiency, or just want a new power supply unit, we hope you found the perfect part for your PC! The RTX 4070 Ti is a very high-performance GPU, so it’s crucial to have a PSU that can supply the right amount of power. We think that the Corsair RM850e offers the best bang for the buck here, with it’s 850W of supplied power and it’s efficiency rating of 80+ Gold.

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