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Best PSU For RX 7900 XTX (750W, 850W, 1000W)

The AMD Radeon RX 7900 XTX is a powerful graphics card that requires a high-quality power supply unit (PSU) to run smoothly and safely. If you are planning to RX 7900 XTX GPU for your next PC Build, it is necessary to consider recommended PSU For RX 7900 XTX.

The AMD Radeon RX 7900 XTX has a typical board power (TBP) of 355W. This means that the minimum power supply you need is 750W. However, it is always recommended to have a bit more headroom, so an 850W power supply would be a safer bet. If you plan on overclocking the RX 7900 XTX or using other power-hungry components, then you may need a 1000W power supply.

For RX 7900 XTX you should look for a PSU that has at least 80 Plus Bronze efficiency rating, which means that it can deliver at least 82% efficiency at 20%, 50%, and 100% loads.

Moreover, a 650W power supply is not enough for the AMD Radeon RX 7900 XTX. The minimum recommended power supply for this graphics card is 750W.

Furthermore, choose a power supply unit that is designed with 100% Japanese capacitors for the surety of its sturdy and durability. For thermal management your PSU with 135 mm BDF fan works great and reduces noise.

List of our experts recommended Best PSU For RX 7900 XTX

  1. Be quiet! BN672 Pure Power 11 FM 750W
  2. Thermaltake Smart BM2 750W
  3. Cooler Master V750 Gold White Edition V2
  4. EVGA SuperNOVA 850 GT
  5. MSI MPG A850GF
  6. Corsair HX1000i

RX 7900 XTX PSU Requirements

  • Power: Min. 750W, Recommended 1000W
  • Certification: Min. 80 Plus Gold, Recommended: 80 Plus Platinum
  • Cabling: Semi modular, Recommended Full Modular 
  • Durability: Construed with 100% Japanese 105° C capacitors
  • Connectivity: Via PCIe Gen 5 power cable
  • Clearance: You have a free space in case for PSU and cable adjustment 

RX 7900 XTX Vs RX 7900 XT

Recently AMD released its 2 high end graphics cards in its Ryzen 7000 series. Let’s have a comparison of specs of these GPUs!

  • Memory Size: 24GB Vs 20GB
  • Memory Type: GDDR6 Vs GDDR6
  • Ray Tracing Accelerators: 96 Vs 84
  • Compute Units: 96 Vs 84
  • AI Accelerators: 192 Vs 168
  • Game Clock Speed: 2.3GHz Vs 2GHz
  • Connection Support: DisplayPort 2.1 Vs DisplayPort 2.1
  • Memory Speed: 20Gbps Vs 20Gbps
  • Memory Bus Size: 384-bit Vs 320-bit
  • Total Board Power: 355 Watts Vs 315 Watts
  • List Price: $1,000 Vs $900

1- Be quiet! BN672 750W : Overall Best PSU For RX 7900 XTX

Be quiet! BN672 Pure Power 11 FM 750W Power Supply

Our first pick for the Overall Best PSU For RX 7900 XTX is Be quiet! BN672 Pure Power 11 FM. This power supply unit has best in class features and delivers unmatched performance. Cabling style is fully modular which means you can attach only your required wires. Cables given by the be quiet high quality manufacturing and very flexible. 

Pure is designed with the best combination of specs at a very popular price. No matter if you want to build a quiet system, upgrade your PC or install an overclocked GPU this PSU will cover you. Packed with 80 Plus Gold certification its efficiency goes up to 93.9% that is an attractive number for a PC. Thanks to DC to DC, SR and LLC for the voltage regulation and advanced stability.     

Do not worry about the quality because it offers a 5 year warranty and has safety features as well. Equipped with 2 strong 12V-rails that are safer for all your connected components. The power output is 750 watts that is enough for a PC with mid range components. BN672 Pure Power 11 FM offers the utmost compatibility plus convenience. 

To keep this power supply unit cool and silent it is designed with a 120 mm fan. By having this PSU you are ready for the updated technology and operations at low noise. Due to the DC to DC conversion you have tight voltage even under heavy workloads. This power supply ensures reliable and silent operation for your high end graphics cards and processors. 


  • Build Quality
  • Very Good Rail Stability
  • 80 Plus Gold Certified
  • Fully Modular
  • Electrical Protections


  • Cable length is short 

2- Thermaltake Smart BM2 750W

Thermaltake Smart BM2 750W Power Supply

From the Thermaltake power supply unit one of the worth considering is Thermaltake Smart BM2 750W. If you are designing your computer system with mid range components then you can choose this PSU. The power output is 750 watts that is enough for the mid to high end hardware components. This power supply unit has the capabilities to achieve a level of high performance especially in this category.

For efficiency it is 80 Plus Bronze certified and delivers up to 85% efficiency that is fine for heavy operations. Thermaltake makes it capable to perform well with all the latest generation GPUs and CPUs. Having this PSu you have optimized work experience and can achieve maximum energy saving for your components. For the insurance of durability and stability it is equipped with Japanese capacitors. 

Due to the high quality manufacturing it delivers reliability, stability and durability. Based on DC to DC conversion design that gives you a high class of voltage regulation. The best thing about this PSU is that it has different levels of voltages. This power supply unit can efficiently change voltages levels between 3V, 5V and 12V according to the workload. 

Which means this PSU has the capability to manage the voltages according to the workload. Designed with high amperage single +12V rail, you have reliable and stable power supply for all your PC hardware. Comes with industrial protections such as OVP, SCP, OPP, OTP and OCP that give it prevention against damage. Cabling style is Semi modular that makes its installation easier as you can detach unwanted cables. 


  • High overall performance
  • Alternative Sleep Mode 
  • Good efficiency 
  • Tight load regulation


  • Noisy under high loads
  • Not a great transient response
  • Low hold-up time

3- Cooler Master V750 V2

Cooler Master V750 Gold White Edition V2 Full Modular Power Supply

While building your PC with a high end graphics card like 7900 XTX you should get Cooler Master V750 V2. With this power supply unit you can achieve top notch performance for your upgraded system. Cooler master claims that its power supply takes the lead of performance in the category of 750 watts. Comes with compact dimensions it can easily take place even in an over populated PCB. 

The power output is 750 watts that is enough for a potent gaming rig until you overclock your GPU and CPU. Along with this power supply you can get the performance that you ever wanted. You are ready to enjoy an 80 plus Gold efficiency rating, you can have required power for your system. Based on DC to DC converter technology to provide you reliable and stable voltages. 

This will be an ideal purchase for you to have reliable performance with higher efficiency. Equipped with a 135 mm FDB semi fanless which means the fan will be manually turned off at up to 40% workload. With the hybrid switch it will start working after 40% load and keep your power supply cool. Comes in fully modular style you can detach unnecessary wires and reduce clutter. 

Reduction of cables will improve the airflow and in the result you will have better efficiency and thermal performance. The high quality thicker 16 AWG PCI-e wires are included for higher current delivery. Plus its cables are perfect for enhancement of efficiency and are safer for your components.


  • Protection features
  • Good build quality
  • Quiet operation
  • Highly Efficient
  • Long hold-up time


  • Little tighter load regulation
  • Small distance between all connectors

4- EVGA SuperNOVA 850 GT

EVGA SuperNOVA 850 GT Fully ModularPower Supply

The EVGA SuperNOVA 850 GT is another excellent choice for RX 7900 XTX. This power supply delivers the power output of your choice at very low price. The form factor is ATX but the dimensions are compact and it can easily and perfectly fit in a chassis. SuperNOVA 850 GT is 80 Plus Gold certified that offers a great efficiency for your hardware computer components. 

You get 92% efficiency at (220VAC~240VAC) and 90% at (115VAC) even under heavy or typical workloads. Fully modular cabling style reduces the  clutter in the case while improving the airflow. To make it super durable it is designed with 100% Japanese capacitors that make it strong and sturdy. Features protections such as OVP, UVP, OCP, OPP, SCP, and Dual OTP that keep it safe from any damage. 

This power supply uses an air cooling method so it can work at a well managed temperature. Constructed with a fluid dynamic bearing fan that dissipates the heat from the PSU and keeps it cool. This fan works so quietly and efficiently you have not to bear an unpleasant noise. Comes with an EVGA auto ECO mode that increases the lifespan of PSU and ensures ultra quiet operation. 

The power output of 850 watts will be enough for a computer system based on mid to high end components. Packed with a warranty of 7 years so you can trust it and use it for many years with peace of mind.


  • Full power at only 46 degrees Celsius
  • Good transient response 
  • High build quality
  • Tight load regulation 
  • Compact dimensions
  • Good ripple suppression
  • Silent 
  • Fully modular
  • Long cables


  • Needs a bit performance boosting
  • Loose load regulation 


MSI MPG A850GF Gaming Power Supply

MSI is a big name for the production of computer hardware, here is MSI MPG A850GF. This power supply is from the MSI lineup and designed for the power needs of mid to high end components. Born with the core purpose to provide reliable and efficient power to the parts of a desktop. Delivers a power output of 850 watts that perfectly fulfill the needs of your components along with 7900 XTX. 

Thanks to its 80 Plus Gold rated efficiency it can cope up with low to heavy workloads. For the insurance of its durability it is designed with 100% original Japanese capacitors. These capacitors make it so strong that it can bear even a high temperature of 105 degree celsius. Due to its fully modular design you can easily build your system with it. 

Comes with flat cables that are easy to manage plus are more safe to use. Its full modular design allows you to attach your required cables and reduce clutter and improve airflow. Bring this MSI power supply and have a better game without worries. Manufactured with a high quality of specs so you can use it for your PC with peace of mind. 

This power supply unit promises less power consumption and higher efficiency for your expensive PC. Equipped with RX 7900 XTX CPU, MB and VGA connectors for an ideal power delivery for your components. These connectors utilize alloy copper terminals that make this PSU able to bear higher current. MSI claims that its power supply unit delivers a better performance as compared to the other traditional PSUs. 


  • Fully modular
  • Loads of connectors 
  • Good quality build 
  • Flat cables


  • Noisy 
  • Low PF readings 
  • Inaccurate power 

6- Corsair HX1000i

Corsair HX1000i, HXi Series, 80 PLUS Platinum Fully Modular Power Supply

The Corsair HX1000i is a great power supply for the AMD Radeon RX 7900 XTX, if you want to have some headroom for future upgrades or overclocking. Manufactured with a high quality material and specs that you are looking for. One of its best factors is that it delivers you its full power at a very low temperature of only 47 degree celsius.

Comes with a fully modular cabling style, only connecting wires required by your system and reducing cluttering. Easy to install on the PCB, you are ready to make your computer clean and build a computer system. This power supply unit is completely compatible with all the modern motherboards with triple EPS 12V connectors. For the elimination of heat it is designed with a 140 mm fan and performs heat dissipation in a better way. 

This Fluid Dynamic Bearing fan performs extreme silent and long lasting operation. To give you full control over your power supply unit it comes with powerful Corsair iCUE software. The support of this software enables you to monitor power settings. In addition to this you can easily toggle between single to multi-rail overcurrent protection. This PSU is also compatible with i9-12900K PSU.

The power output is 1000 watts and you can fulfill all the energy needs of your top notch components. However, if you have a more modest system that does not need more than 750 watts of power, you might be able to save some money by getting a lower-wattage PSU that still meets the requirements of the RX 7900 XTX. 


  • High build quality
  • Efficient platform
  • Capable APFC converter
  • Silent
  • Low ripple
  • Long hold-up time
  • iCUE software
  • FDB fan
  • 10-year warranty


Best PSU For RX 7900 XTX Buying Guide 

You can achieve what you want, no matter how high-end graphics card you are using until you have a compatible power supply. You should be careful while deciding the Best PSU For RX 7900 XTX. From our recommended list you can go for MSI MPG A850GF as it is our overall best product. Below we have mentioned some factors that make your purchase more precise, follow them!


The first thing that needs your attention is the power output of your PSU. You have chosen a high end GPU so you need a compatible power supply. For this graphics card you can pick a PSU between 750 watts to 1000 watts, depending upon all your components including GPU. In our list we have included power supply in these limits, you can pick any of them according to your needs. 

Power Efficiency:

You should consider the power efficiency of your future power supply unit. Because a PSU that comes with higher efficiency rating utilizes less power and generates low heat. As a result, the reliability of your power supply increases and noise reduction happens as well. For 7900 XTX you can choose a 80 plus Gold or Platinum certified power supply that will save your power consumption and decrease electricity bill. 


Cabling style of the power supply unit is a considerable factor because it improves airflow. Mainly there are 3 different styles of cabling for a PSU, full modular, semi modular and non modular. You can go for semi modular but the recommended style is full modular. We have added PSUs with full modular and semi modular cabling, go for MSI MPG A850GF as it is a fully modular power supply and reduces cluttering. 

Form Factor:

A power supply unit comes in various form factors, ATX, Micro ATX and mini ITX. But standard size is ATX and in a reasonable chassis it can easily and properly fit. However, if you want to go for a compact size build then you should prefer micro ATX and mini ITX. We have included ATX PSUs, some of them come with compact dimensions, you should go for one that suits you well. 


For an electronics device its warranty period matters a lot for the customers. Because it gives peace of mind to them especially when it comes to the most important component, PSU. You should choose a power supply unit with up to 10 years warranty as it will show its durability. From the above mentioned products you can choose any of them as they are packed with up to 10 years warranty.  


What Factors Of A PSU Are Important?

To buy a right power supply unit you must consider some factors including form factor, efficiency, power, protection, warranty, and cabling style.

How To Know Which PSU Your PC Needs?

To know which power supply unit is required by your desktop, you have to calculate the entire power requirement of the PC. You can do it simply by adding the required number of volts of your every single chosen computer hardware component.  

How Long A GPU Last?

Normally, the lifespan of a graphics processing unit is up to 10 years but it depends upon its manufacturing quality as well. 

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