10 Best PSUs for RX 6900 XT in 2023

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AMD has made a huge leap in performance with the 6000 series GPUs. The RX 6900 XT is a great example of the performance improvements made allowing it to rival Nvidia’s RTX 3090. This graphics card is built to be future-proof and to offer a fantastic 4K gaming experience when running triple-A games. But it does require ample power. So if you’re planning to build a new high-end system or just upgrading grading your PC using this GPU, you’ll want to take a look at the best PSUs for RX 6900 XT we have reviewed below.

To find the most suitable power supply for your system you’ll need to consider the GPU’s power requirements, as well as the requirements of the CPU and other components. Furthermore, you need to decide whether you plan to overclock your hardware because that requires additional resources and cooling. Once you know the answer, you can use the following list of PUSs to make the final decision.

AMD Radeon RX 6900 XT PSU Requirements

The RX 6900 XT is a powerful high-end GPU, but its power requirements are lower than expected thanks to the efficient RDNA 2 architecture. According to AMD, it requires 300W on its own, which is no different than the weaker RX 6800 XT. However, they recommend an 850W PSU, assuming you include an equally high-end CPU. The power requirement can go further up or down depending on how you plan to use the system. Just don’t go under 750W because it’s not worth taking the risk with this kind of hardware.

Best RX 6900 XT PSUs

1. Corsair RM850x

Specifications:
Form factor: ATX | Capacity: 850W | Efficiency rating: 80 Plus Gold | Modularity: Full | Warranty: 10 years
Key features:
  • Up to 90% efficiency
  • Entirely modular
  • Compact size with 160mm-long casing
  • Zero noise fan mode cooling switch

Corsair makes some of the most popular PSUs on the market as the RMx series continues to be a popular choice. The RM850x in particular is a powerful power supply meant for high-end systems with demanding components, such as the RX 6900 XT. This PSU is also 80 Plus Gold certified, so it’s quite efficient, which is important if you’re a regular PC user/gamer.

The RMx is also entirely modular, enabling you to connect only what you need. So, say goodbye to cable clutter and improve the air circulation in your PC case using this power supply. Finally, Corsair vouches for this model with an included 10-year guarantee.

2. EVGA SuperNova 850 P2

Specifications:
Form factor: ATX | Capacity: 850W | Efficiency rating: 80 Plus Platinum | Modularity: Full | Warranty: 10 years
Key features:
  • Up to 94% efficiency
  • Powerful single +12V rail design
  • Modular design with braided cables
  • Silent double ball-bearing fan
  • Eco mode cooling switch

If midrange hardware doesn’t cut it for your high-end system, perhaps you’re looking for a premium power supply like EVGA’s SuperNova P2. This platinum-rated PSU delivers 850W with high efficiency and it is more than enough for the RX 6900 XT. Thanks to the powerful +12V rail, the P2 can power most PC builds.

Furthermore, the P2 is modular and therefore we won’t have to worry about cable management and airflow. We can strictly use only the cables we need. As for the cooling system, this PSU boasts a double ball-bearing fan, which is silent, and an eco-mode switch that will turn it one on only outside of a light load.

All in all, the SuperNova 850 P2 offers more than the required power, it’s efficient, silent, and durable as it comes with a 10-year warranty from the manufacturer.

3. ASUS ROG Thor 850

Specifications:
Form factor: ATX | Capacity: 850W | Efficiency rating: 80 Plus Platinum | Modularity: Full | Warranty: 10 years
Key features:
  • 135mm wing-blade fan
  • 0dB cooling mode
  • ROG heatsinks
  • Integrated OLED panel displaying current power use
  • Sleeved cables

An 850W power supply is ideal for high-end systems, especially in case you plan to upgrade some of the hardware in the next few years. The Asus ROG Thor 850 is one of the best options for a long-term setup due to its Platinum-rated energy efficiency and a 10-year warranty.

Asus isn’t the first company you think of when you’re looking for a PSU, but they offer several options, and most of them are intended for enthusiasts. The ROG Thor certainly comes with a higher price tag than some of the competition, but it comes with high-grade features and components. Thor is entirely modular, so cable management doesn’t come into question and it’s silent. Thanks to Asus’ winged-blade fan that we see in most of their PSUs, and the ROG heatsinks, this power supply will operate quietly even under heavy loads.

Finally, the design is modern and it looks good in setups that are meant to be displayed on your desk. Thor even comes with an OLED panel where it displays power draw in real-time.

In essence, this is a high-end piece of gear intended for long-term use and future-proof PC builds. If you aren’t on a budget, the ROG Thor 850 will power your RX 6900 XT for years to come.

4. Dark Power Pro 12

Specifications:
Form factor: ATX | Capacity: 1200W | Efficiency rating: 80 Plus Titanium | Modularity: Full | Warranty: 10 years
Key features:
  • Fully digital control for power regulation
  • Highest efficiency rating available
  • Frameless silence wings fan
  • Full overclocking control
  • Japanese capacitors

This power supply is complete overkill. However, if money is no object, the Dark Power Pro 12 offers everything you need and more. This 1200W beast is enough to power any system you plan on building with the RX 6900 XT. Additionally, it’s rated with the highest efficiency rating certificate available and it’s entirely modular. This beautifully constructed gem is one of the best PSUs you can buy, and it’s especially versatile thanks to the optimized overclocking features.

That being said, it’s still a complete overkill. That Titanium-grade efficiency doesn’t come cheap and in reality, it’s not much better than a Platinum-certified PSU. The difference between the two certifications usually isn’t worth the price. It’s also too powerful for most systems, especially if you plan on using a single RX 6900 XT GPU. The standard PC build will never take advantage of 1200W.

All in all, the Dark Power Pro 12 is hard to beat, but is it really worth the luxury price tag? That’s for you to decide.

5. CoolerMaster MWE Gold 750

Specifications:
Form factor: ATX | Capacity: 750W | Efficiency rating: 80 Plus Gold | Modularity: Full | Warranty: 5 years
Key features:
  • Up to 90% efficiency
  • Modular flat cables
  • Silent LDB bearing fan
  • High thermal resistance under full load

If you’re on a budget but still seeking a good-quality PSU, the MWE Gold 750 from CoolerMaster is a solid choice. This 80 Plus Gold-rated power supply is highly energy-efficient and it’s modular. Cable management has never been easier, especially because the MWE comes with flat cables that barely take up any space.

When it comes to support, the PSU comes with a 5-year guarantee from the manufacturer, which is acceptable in this price range. All in all, the MWE gold offers a lot of value and performance for the price and it’s powerful enough to handle an average system built around the RX 6900 XT.

6. NZXT C850

Specifications:
Form factor: ATX | Capacity: 850W | Efficiency rating: 80 Plus Gold | Modularity: Full | Warranty: 10 years
Key features:
  • Optimal efficiency at a low price
  • Modular with sleeved main cables
  • Compact size with 150mm-long casing
  • Zero noise fan mode switch

If you’re looking for power and efficiency at a good price, the C850 is one of the best choices. It’s enough to power a high-end RX 6900 XT system, it’s compact, modular, and backed by a 10-year warranty. You’ll also be able to overclock your GPU and CPU, unless you’re using something out of the ordinary, like the latest Threadripper.

Cable management is a breeze, and airflow inside the case won’t be an issue due to the compact size of the power supply. However, the C850 comes with a tiny 120mm fan, so if you have to push it close to full load, it won’t be the most silent PSU on the market.

In essence, the C850 is a solid choice for most high-end builds.

7. Thermaltake Toughpower PF1 850W

Specifications:
Form factor: ATX | Capacity: 850W | Efficiency rating: 80 Plus Platinum | Modularity: Full | Warranty: 10 years
Key features:
  • Up to 90% efficiency
  • Smart Zero Fan
  • Compact design
  • High power +12V rail design

If you’re looking for a powerful Platinum-rated power supply that doesn’t take up much space, the Toughpower PF1 is an excellent choice. Combining power and efficiency with a compact design is a rare sight, but a welcome one. The PF1 is also entirely modular, so no need to worry about cable management either.

As for cooling, the PF1 comes with a small 120mm fan, and an optional switch that enables it only when the PSU goes over 30% workload. It’s good that the switch exists because some people are more comfortable having a constantly running fan. On the downside, the fan is small due to the compact design, and it might be a bit noisier than the bigger ones when the power supply is under a heavy workload.

8. GAMEMAX RGB750-Rainbow

Specifications:
Form factor: ATX | Capacity: 750W | Efficiency rating: 80 Plus Gold | Modularity: Full | Warranty: 5 years
Key features:
  • 140mm low-noise RGB cooling fan
  • Honeycomb case design
  • Powerful Single +12V rail
  • Multiple ARGB and RGB lighting mode

This PSU from Gamemax is ideal for those who are on a tight budget and aren’t planning to overclock their system that much. It’s powerful enough for the RX 6900 XT, energy-efficient, and modular. While it’s lacking in special features, it gives us what really matters: power, efficiency, and modularity. The cooling system is also powerful and silent, thanks to the large 140mm fan.

Essentially, the RGB750 is a good choice for those who just want a simple PSU that does its job.

9. Apevia ATX-PR800W

Specifications:
Form factor: ATX | Capacity: 800W | Efficiency rating: 80 Plus Gold | Modularity: None | Warranty: 3 years
Key features:
  • 135mm low-noise fan
  • DC to DC converter design
  • Powerful Single +12V rail
  • Multi-GPU systems supported

The PR800 from Apevia is an affordable PSU meant for budget builds and that is reflected in the technical specs and features. It provides 800W of power and it’s rated Gold for energy efficiency, but that’s about it. It isn’t modular, so cable management will be tricky with lots of unused cables sticking out.

As for support, it only comes with 3 years of warranty from the manufacturer. That’s quite low, especially when most PSUs come with 5 to 10-year warranties. However, it’s not surprising considering the price.

If you’re heavily restricted by your budget, the PR800 will work just fine with the RX 6900 XT, but if you’re looking for a future-proof system, you should invest in a higher quality power supply.

10. CoolerMaster MasterWatt 750

Specifications:
Form factor: ATX | Capacity: 750W | Efficiency rating: 80 Plus Bronze | Modularity: Semi | Warranty: 5 years
Key features:
  • Dual-forward circuit design
  • Thick 16AWG PCIe cables
  • Low-noise LDB bearing fan
  • Fanless operation up to 15% load

The MasterWatt 750 is another excellent PSU for budget builds. If you spent most of your funds on the RX 6900 XT and perhaps a high-end CPU as well, chances are you want a simple PSU that just works. This Bronze-rated power supply is just that. It’s nothing fancy, but at least it’s semi-modular so you get to keep the cable clutter down to a minimum.

The MasterWatt offers enough power for the RX 6900 XT and most mid-range to high-end PCs, especially if you don’t plan on overclocking everything. It lacks features, but it’s built from good quality components, thick PCIe cables, and it has a silent LDB bearing fan. As for support, it comes with a 5-year warranty included, which is great in this price range.

Final Thoughts

Remember that AMD recommends an 850W PSU to get the most out of the RX 6900 XT, especially if you’re overclocking. However, midrange systems and high-end setups without any overclocking can be powered by a 750W PSU as well. It all depends on the entirety of your build and what you plan to do with it. So make a list of your needs and wants, then come back to this list and see which PSU is the best for your RX 6900 XT system.

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