Best-850w-PSU

Best 850W PSU 2024: Top Power Supply for Gaming PCs

Looking to find the best 850W power supply? Look no further, with our trusted guide!

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Finding the best Power Supply is essential for any PC, and for some of the best return on investment for power supply, look to invest in one of the best 850W PSUs. Though there are super high-wattage PSUs available on the market, few PCs match the demand that these power supply units are able to satisfy – 850W remains a strong middle ground for PC power supply.

That’s why we’ve put together this buyer’s guide, compiling the best 850W power supply units on the market today. We’ve tried to accommodate as many PC build factors as we can, whilst maintaining that 850W standard. So irrespective of whether you value quality, efficiency or longevity, you’re sure to find the perfect PSU for your next PC build!

Best 850W PSU: Corsair RM850x

Corsair RM850x

Wattage

850W

Certification

80+ Gold

Modular?

Fully Modular

Pros
  • High-quality PSU
  • Great return-on-investment
  • Silent running
Cons
  • Cable quality can vary

When it comes to the best 850W PSU, this model is hard to beat: the Corsair RM850x is one of our favorite top-tier PSUs, providing great power supply in a well-designed build. With 80+ Gold-rated efficiency, the RM850x keeps ongoing PC costs low by keeping energy waste to a minimum. Corsair are one of our favorite PSU manufacturers: consistently providing great products with long-lasting support. Although there have been reported issues with the RM850x’s cable quality, the PSU is still versatile and high-quality – and the fully modular design makes cable replacement easy. We’d still easily crown it the best 850W PSU on the market!

Best Budget 850W PSU: Thermaltake Toughpower GF1

Thermaltake Toughpower GF1 850W 80+ Gold

Wattage

850 W

Certification

Gold

Modular?

Yes-Fully

Pros
  • Affordable
  • Smooth running
  • Efficient
Cons
  • Still high price as a budget solution

It can be difficult finding an affordable 850W PSU that maintains the quality-of-life features that we expect from top-tier parts, but the Thermaltake Toughpower GF1 does exactly that. With 80+ Gold certification and a fully modular design for easy installation , the GF1 retains a great many of the features of a high-end PSU at a price nearer to $100. Though the price point does vary, it remains consistently lower than many competitor PSUs. For the best budget 850W PSU, it is hard to beat the GF1!

Best 850W ATX 3.0 PSU: MSI MPG A850G

MSI MPG A850G PCIE5

Wattage

850 W

80 Plus certification

Gold

Modularity

Fully modular

ATX 3.0

Yes

Pros
  • ATX 3.0/PCIe 5
  • Highly efficient and reliable
Cons
  • Premium price

The MSI MPG A850G employs the latest in power cable technology: ATX 3.0. For the layman, this means that it is capable of providing faster power in larger quantities: making for exceptional PSU performance. With a fully modular design, the A850G is easy to install and operates smoothly and near-silently once it’s running. With a Gold 80+ certification, you’ll save money in the long run. However, the upfront cost can be quite steep for the financially conservative PC enthusiast. But for next-generation power at the perfect wattage, the A850G is the best 850W ATX 3.0 PSU!

Best Efficient 850W PSU: EVGA SuperNOVA 850 P2

EVGA SuperNOVA 850 (P2 Series)

Wattage

850W

Certification

80+ Platinum

Modular?

Yes-Fully

Pros
  • Hyper-efficient PSU
  • Lengthy warranty
Cons
  • Premium pricing

For the most efficient 850W PSU on the market, try the EVGA SuperNOVA P2 is a Platinum-rated 850W power supply, one of the best efficiency ratings on the PC component market. This PSU combines some premium design features into an energy-saving beast of a unit, with top-quality capacitors and a fully modular design to allow for easy installation or customization with PSU cable mods. Again, you’ll have to pay a little extra for the best, but we think it’s worth it for one of the best 850W power supply units on the market!

FAQs

Do you need an 850W PSU?

Yes: Though 850W may initially seem like overkill for a mid-range PC, we always recommend adding some leeway in your power supply to account for potential upgrades in the future. The best 850W PSU choices have great warranties and can outlast many other components in your PC. Whenever upgrading, always use a PSU calculator to check your requirements, then consider going one tier above (i.e. if your recommended PSU starts at 650W, consider a 750W PSU.

What is an ATX 3.0 PSU?

ATX 3.0 is a relatively new form of power supply cabling, allowing for faster and more energy-efficient energy transfer from the power supply to the components in your PC. The best PSUs all utilize ATX 3.0 to conserve energy.

In Summary

Regardless of your PC specifications, if you were looking for the best 850W PSU, we hope you came away from this buyer’s guide satisfied and eager to build or re-build your PC!

However, as we mentioned, it is always better to have a little headroom when choosing a PSU. For additional future-proofing for your PC with the next tier of power supply, check out our guide on the best 1000W PSUs!

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