Best PSU for Radeon RX 7900 GRE

When building a gaming rig or upgrading your graphics card, the power supply is often overlooked. However, the PSU plays a vital role in the stability and performance of your system. Choosing the best PSU for your Radeon RX 7900 GRE is essential to ensure that your graphics card receives a steady and adequate power supply, enabling it to perform optimally under heavy workloads.

This article will delve into the factors you should consider while selecting a PSU, the significance of making the right choice, and conclude with our top PSU recommendations to enhance your gaming experience.

The AMD Radeon RX 7900 GRE is a powerful high-end RDNA3 desktop graphics card that was released in July 2023. With its 16 GB of GDDR6 memory, advanced AI technology, and raytracing accelerators, this graphics card promises an unparalleled gaming and streaming experience, whether you’re playing in stunning 1440p or immersive 4K resolution.

To harness the full potential of the Radeon RX 7900 GRE, a reliable and robust power supply unit (PSU) is essential. In this article, we will explore the importance of choosing the best PSU for your Radeon RX 7900 GRE, factors to consider when making your selection and provide a comprehensive list of top recommended PSUs for this graphics card.

Importance of Choosing the Right PSU

A suitable PSU is more than just a power source; it is the backbone of your gaming setup. When paired with a high-performance graphics card like the Radeon RX 7900 GRE, a quality PSU ensures stable voltage regulation, safeguards your components from power fluctuations, and prevents potential damage to your expensive hardware.

A reliable PSU can also contribute to energy efficiency and reduce noise levels, providing you with a smoother and quieter gaming experience.

Best PSU for Radeon RX 7900 GRE

1. Corsair RM850e (2023) Fully Modular Low-Noise ATX Power Supply

The Corsair RM850e (2023) is a top-notch fully modular power supply designed for excellent performance and reliability, making it an ideal choice for PC enthusiasts, especially those building systems with Radeon RX 7900 GPUs. With its 850W power output, low noise operation, and robust components, it offers impressive features that cater to various PC builds.

Corsair RM850e (2023) Fully Modular Low-Noise ATX Power Supply

Product Specifications:

Power Output850W
ModularityFully modular
ConnectorsDual 8-pin EPS12V
Efficiency80 PLUS Gold
Fan120mm rifle bearing fan
Noise LevelQuiet operation, Zero RPM Fan Mode
Capacitors105°C-rated industrial-grade capacitors
CertificationIntel ATX 3.0
CompatibilityPCIe Gen 5 platform, Modern Standby
WarrantySeven-year warranty with world-class support

Why & Which Type of People Buy It?

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The Corsair RM850e (2023) is an excellent investment for gaming enthusiasts, content creators, and professionals seeking a reliable and powerful PSU. Its fully modular design allows users to customize cable connections for a tidy and efficient build. Gamers and PC builders who prioritize low noise levels will appreciate its quiet operation and Zero RPM Fan Mode. The robust components and 80 PLUS Gold efficiency make it an attractive choice for those seeking stability and performance under heavy workloads or demanding gaming sessions.


  • Delivers full power at 47°C
  • High overall performance
  • Quiet operation
  • Modular cables
  • Fully compliant with ATX 3.0


  • Needs a small average efficiency boost
  • Small distance between peripheral connectors

Final Verdict:

Corsair RM850e (2023) Fully Modular Low-Noise ATX Power Supply is a top-tier PSU that delivers on its promises. With impressive power delivery, quiet operation, and full modularity, it caters to the needs of various PC enthusiasts. While a minor average efficiency improvement would be welcomed, its overall performance, reliability, and excellent support make it a worthy investment for any high-performance PC build.

2. Corsair SF Series SF750 750W 80 PLUS Platinum Modular PSU

The Corsair SF Series SF750 750W 80 PLUS Platinum Modular PSU is a top-notch power supply unit that delivers exceptional performance for high-end gaming PCs and workstations. It comes with a single +12V rail design capable of providing up to 62.5A of power, making it an excellent choice for Radeon RX 7900 GRE GPU.

Corsair SF Series SF750 750W 80 PLUS Platinum Modular PSU

Product Specifications:

Power Output750W Single +12V Rail
Cooling Fan92mm
ATX VersionIntel ATX12V Version 2.4
PCIe Connectors4 x PCIe
SATA Connectors8 x SATA
4-Pin Connectors3
CablesIndividually Sleeved
Included AdapterSFX-to-ATX Adapter
Support for GPUsMultiple
Zero RPM ModeYes

Why & Which Type of People Buy It?

The Corsair SF750 PSU is perfect for gamers, enthusiasts, and professionals who demand a reliable and silent power supply for their high-performance systems. It’s a preferred choice for those seeking high efficiency, easy customization, and robust performance, especially with multiple GPUs.


  1. High power density
  2. Fully modular
  3. Excellent build quality


  1. Expensive
  2. Short cables

Final Verdict:

The Corsair SF Series SF750 750W 80 PLUS Platinum Modular PSU is an outstanding investment for power-hungry systems. Its exceptional performance, silent operation, and modular design make it a top choice for demanding users.

3. ASUS TUF Gaming 750W Gold Fully Modular Power Supply

The ASUS TUF Gaming 750W Gold Fully Modular Power Supply delivers ample power to ensure optimal performance for systems with high-end components, such as the Radeon RX 7900 GRE. Its modular design allows for easy cable management, resulting in a clean and organized build. One of its standout features is the ability to balance electrical loads, ensuring even distribution of power and minimizing the risk of power fluctuations that could potentially damage components.

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ASUS TUF Gaming 750W Gold Fully Modular Power Supply

Product Specifications:

Power Output750W
Efficiency RatingUp to 90%
Certification80 Plus Gold
Modular DesignFully modular
Cooling SystemAxial-tech fan with dual ball bearings
Warranty10-year warranty
ATX CompatibilityATX 3.0
PCIe CompatibilityPCIe Gen 5.0
Capacitors and ChokesMilitary-grade Certification
Protective PCB CoatingYes

Why & Which Type of People Buy It?

The ASUS TUF Gaming 750W Gold Fully Modular PSU is a top choice for gamers and PC enthusiasts who value stable power delivery and a hassle-free building experience. Its reliability, 10-year warranty, and Japanese capacitors ensure that users can confidently power their high-performance systems without worrying about power-related issues. The fully modular design also appeals to those who seek a clean and organized build.


  • High power efficiency rating (up to 90%)
  • Certified to meet stringent industry standards
  • Excellent build quality
  • Quiet and intelligent fan
  • Fully modular design for tidy builds


  • None identified so far

Final Verdict:

The ASUS TUF Gaming 750W Gold Fully Modular Power Supply stands out as a reliable, efficient, and well-built PSU that caters to the needs of gamers and enthusiasts alike. With its impressive features, including the ATX 3.0 compatibility, PCIe Gen 5.0 support, and military-grade certification, this power supply is a smart investment for anyone looking to power their high-performance gaming rig with confidence.

4. MSI MPG A750GF 80 PLUS Gold Modular Power Supply Review

The MSI MPG A750GF power supply is a reliable choice for gamers, delivering full power even at 47 degrees Celsius. Its tight load regulation and high average efficiency ensure stable performance. The fully modular design and flat black cables aid in cable management, promoting better airflow. Additionally, the 10-year warranty provides peace of mind to users. However, the inaccurate power ok signal and low hold-up time are disappointing. The PSU also exhibits increased noise under stressful conditions.

MSI MPG A750GF 80 PLUS Gold Modular Power Supply


Dimensions160mm (L) x 150mm (W)
Certification80 PLUS Gold
Modular DesignFull modular
Capacitors100% Japanese 105°C
ConnectorsAlloy copper terminals

Why & Which Type of People Buy It?

The MSI MPG A750GF is suitable for gamers and PC enthusiasts seeking a power supply that performs quietly, offers good build quality, and has a 10-year warranty. It is an excellent choice for those looking to optimize cable management and improve airflow in their PC cases. However, buyers must be willing to overlook the inaccuracies in the power ok signal and lower hold-up time.

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  • Full power at high temperatures
  • High overall performance
  • Quality cooling fan
  • Fully modular with many connectors
  • Silent operation at light loads


  • Inaccurate power ok signal
  • Increased noise under stress

Final Verdict:

The MSI MPG A750GF is a reliable gaming power supply with excellent build quality and performance. Despite a few drawbacks, its features and efficiency make it a suitable option for gamers and enthusiasts seeking a stable and quiet PSU.

Factors to Consider when Choosing a PSU

  1. Wattage: The wattage of the PSU is one of the most critical factors to consider. The Radeon RX 7900 GRE has a total board power (TBP) of 260W, and the minimum recommended PSU wattage is 700W. However, for optimal performance, it is advisable to go for a PSU with a higher wattage, preferably over 750W.
  2. Efficiency Rating: Look for PSUs with high-efficiency ratings, such as 80 PLUS Bronze, Silver, Gold, or Titanium. Higher efficiency means less wasted power and reduced heat generation.
  3. Modularity: Modular PSUs allow you to connect only the cables you need, reducing cable clutter and improving airflow inside your PC case.
  4. Connectors: Ensure that the PSU has all the necessary connectors to accommodate your graphics card and other components.
  5. Brand and Quality: Stick to reputable PSU brands known for their reliability and quality. Avoid cheap and unknown brands as they may not deliver the promised power output or protection.
  6. Cooling and Noise: Consider PSUs with quiet and efficient cooling systems to maintain a quieter gaming environment.
  7. Warranty: A longer warranty period indicates the manufacturer’s confidence in their product’s reliability.


Choosing the best PSU for your Radeon RX 7900 GRE is a critical step in ensuring a smooth and reliable gaming experience. The right PSU not only provides stable and sufficient power but also contributes to energy efficiency and reduced noise levels. When making your decision, consider factors such as wattage, efficiency, form factor, brand reputation, and cooling capabilities. To maximize your gaming performance and protect your valuable hardware, invest in a high-quality PSU that complements the capabilities of your Radeon RX 7900 GRE.


What is the minimum PSU wattage required for the Radeon RX 7900 GRE?

The minimum recommended PSU wattage for the Radeon RX 7900 GRE is 700W.

Can I use a PSU with a wattage lower than 700W?

While it is possible to use a PSU with lower wattage, it is not recommended. Using a PSU with insufficient power may lead to stability issues and reduced performance.

Why is it advisable to get a PSU with wattage over 750W?

Opting for a PSU with a wattage higher than 750W ensures that you have enough headroom for future upgrades and system stability during peak performance.

What is the significance of the PSU’s efficiency rating?

The efficiency rating indicates how much power the PSU can convert from the wall outlet into usable power for your components. Higher efficiency means less energy wastage and lower electricity bills.

What is the advantage of using a modular PSU?

Modular PSUs allow you to connect only the necessary cables, reducing cable clutter and improving airflow inside your PC, leading to better cooling and aesthetics.

Which PSU brand is the most reliable?

Reputable brands such as Corsair, EVGA, Seasonic, NZXT, and be quiet! are known for producing reliable and high-quality PSUs.

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