Best PSU for Ryzen 9 7900X3D (750W, 850W, 1000W)

Intro 

The power supply unit (PSU) is an essential component of any PC build, providing the necessary power to keep all other components running smoothly. When it comes to a powerful processor like Ryzen 9 7900X3D, a reliable and high-quality PSU is crucial to ensuring optimal performance and stability. With its own features and benefits in the  market many PSUs available. One of the top contenders for the best PSU for Ryzen 9 7900X3D is the EVGA SuperNOVA 850 P2, a high-end unit that delivers reliable power and efficiency. It boasts an 80+ Platinum rating, fully modular cables, and a 10-year warranty. 

Another excellent option is the Corsair RM850x, which offers a similar 80+ Gold rating and fully modular cables, with the added bonus of a zero-rpm fan mode for silent operation. For those on a budget, the EVGA SuperNOVA 750 GM is a reliable and affordable option that provides 750 watts of power with an 80+ Bronze rating. Alternatively, the Thermaltake 750W offers a unique touch of style with its 256-color RGB fan and fully modular cables.

Finally, for those looking for a top-of-the-line PSU with all the bells and whistles, the ASUS ROG Thor 1000W Platinum II is an excellent choice. It features an 80+ Platinum rating, Lambda A++ certification, and an OLED panel for monitoring system information. It also includes sleeved cables, ROG heatsinks, and Aura Sync RGB lighting for a stylish and functional addition to any build.

When choosing a PSU, it is essential to consider factors such as wattage, efficiency, modularity, and warranty. With a reliable PSU, you can ensure stable and efficient power delivery to all components of your PC build. So for more information and selecting the right product scroll down!

Our Recommended list of the Best PSU for Ryzen 9 7900X3D

1. EVGA SuperNOVA 750 GM, 80 PLUS Gold 750W Power supply
2. Be quiet! BN672 Pure Power Supply
3. Corsair CX750F RGB, 750 Watt, Power Supply
4. Thermaltake Smart Pro RGB 750W 80+ Bronze Power Supply
5. EVGA 700 BR, 80+ Bronze 700W, Power Supply
6. ASUS ROG Thor 1000W Platinum II Fully Modular Power Supply

Ryzen 9 7900X3D PSU Requirements

• Wattage                          700 W           1000 W
• Efficiency Rating           80+ Bronze   80+Gold
• Cabling design               Modular          modular
• Warranty                        5 years             10 years

Ryzen 9 7900X3D VS 

• Architecture                 Zen 4 vs Zen 2 
• Core count                   12 vs 12
• Thread                          24 vs 24 
• Base Clock                   4.7 GHz   vs 3.8 GHz 
• Boost clock                  5.6 GHz vs 4.6 GHz 
• Cache                           128 MB   vs 64 MB
• TDP                              120 W  vs 170W
• Sockets                          AM5 vs AM4 
• PCIe                               5.0  vs 4.0 

The Ryzen 9 7900X3D is 13% better than Ryzen 9 3900X in multi and single threaded performance. Such as, is also 19% in better frequency than the Ryzen 9 3900X speed.  

1- EVGA SuperNOVA 750 GM, 750W Power supply

EVGA SuperNOVA 750 GM is a top-of-the-line power supply that provides efficient and reliable power to high-end gaming PCs, including the Ryzen 9 7900X3D. This power supply is fully modular, You will impressively reducing clutter and improving airflow inside your PC case and  you can connect only the cables you need. It is also designed with an ECO mode that turns off the fan when the power supply is under low load, making it more energy-efficient and quieter.

One of the most impressive features of this power supply is its 80 PLUS Gold certification, which means it is highly efficient and can deliver up to 90% energy efficiency under typical loads. It also has a 10-year warranty, for  durability and reliability of product. The EVGA has a small form factor, which makes it ideal for compact PC builds, such as those using the SFX form factor. It also includes a power on self-tester, which helps you to check if the power supply is working properly before you connect it to your PC components.

This power supply has a single +12V rail design, which provides stable and consistent power to your PC components. For system longevity and high quality durability It also have features Japanese capacitors.  Plus, Its impressive fans  uses fluid dynamic bearings (FDB), which provide a longer lifespan and lower noise compared to traditional sleeve bearings. The fan speed is also controlled by the power supply, which ensures that it runs at the optimal speed for the current load. Overall, the EVGA SuperNOVA 750 GM is an excellent power supply for high-end gaming PCs, including those using the Ryzen 9 7900X3D. 

Pros 

• Full power at 46 degrees Celsius
• Good build quality
• Good transient response at 12 V
• 10-years warranty
• Fully modular cabling design

Cons

• Loose load regulation on the minor rails
• Small distance between peripherals

2- Be quiet! BN672 Pure Power Supply

You build a system with high components and want  reliable and efficient power supply for your Ryzen 9 7900X3D? The be quiet! BN672 Pure Power 11 FM 750W might just be the solution you need. This power supply offers 80 PLUS Gold efficiency, a fully modular design, and a quiet operation. Its have 80 PLUS Gold efficiency rating. This means that it has an efficiency of up to 93%, which translates to lower power consumption and reduced electricity bills. Additionally, the power supply has a 750W output, which is more than enough to handle most high-end gaming builds.

Another great feature of this power supply is its fully modular design. That  reducing clutter and improving airflow within your system. It also makes cable management much easier, which can be a big help when building or upgrading your PC. The be quiet! BN672 also have features a Silent Wings 3 fan that runs quietly and efficiently, even under heavy loads. The fan uses an advanced fluid-dynamic bearing (FDB) that ensures smooth and quiet operation, even after years of use.

In terms of connectivity, the be quiet! BN672 Pure Power 11 FM 750W has you covered. It comes with all the necessary cables and connectors, including a 24-pin ATX motherboard connector, two 4+4-pin CPU connectors, four PCI Express connectors, and several SATA and peripheral connectors. This ensures that you can power all your components without any compatibility issues. Its a reliable and efficient power supply for their Ryzen 9 7900X3D build. With its 80 PLUS Gold efficiency, fully modular design, and quiet operation, it provides all the features you need for a high-performance gaming PC.

Pros

• High build quality
• Impressive Fans performance
• Not noisy
• 80-Plus Gold efficiency
• Fully modular

Cons

• Small distance between peripherals

3- Corsair CX750F RGB, 750 Watt, Power Supply

The Corsair CX750F RGB is an excellent power supply unit that is designed to offer reliable and efficient power delivery to your high-end gaming PC. This 750W PSU features an 80 PLUS Bronze certification, which means it is highly energy-efficient and can help you save on your electricity bills. The CX750F RGB comes with a fully modular design which offers you to connect only those  cables you need for your system. This not only makes cable management easier but also helps to improve airflow inside your PC case. 

With RGB lighting that adds a unique touch to your PC build. You can customize the lighting effects using the Corsair iCUE software and sync it with other RGB components in your system. Heaving  an 80 PLUS Bronze efficiency rating, which means it can deliver up to 85% energy efficiency under typical load conditions. This helps to reduce heat generation and also prolongs the life of the PSU. Such as, This power supply unit is compatible with the Corsair iCUE software that allows you to monitor the PSU’s performance, fan speed, and voltage regulation. You can also use this software to customize the RGB lighting effects.

For providing Reliable Performance is built with high-quality components that ensure stable and reliable power delivery to your PC. It features a 120mm fan that provides efficient cooling and operates quietly even under heavy load conditions. Thanks to its Comprehensive Protection features that include over-voltage protection, under-voltage protection, short-circuit protection, and over-temperature protection. A reliable and efficient power supply unit with customizable RGB lighting and Corsair iCUE compatibility make it a great investment for your high-end gaming PC.

Pros 

• Fully power at 47 degrees Celsius 
• Efficient platform for smooth power
• Fully Modular
• Compact dimensions 
• 5-years warranty
• ARGB lighting

Cons

• Bit expensive for its efficiency category

4- Thermaltake Smart Pro RGB 750W 80+ Bronze Power Supply

Thermaltake Smart Pro RGB 750W Power Supply is a highly efficient and reliable power supply that can provide ample power to Ryzen 9 7900X3D. With its 80+ Bronze certification, this power supply can deliver up to 88% efficiency, which means it can provide stable and consistent power to your system, while also keeping your electricity bills low. Thanks to  its 256-color RGB fan that maintain your system temperature and with RGB color make your system more beautiful. This fan can be customized to match your system’s aesthetic and can be controlled using the Thermaltake software. 

The software also allows you to monitor the power supply’s performance and temperature, ensuring that your system is running smoothly. Another great feature of the Thermaltake Smart Pro RGB 750W power supply is its fully modular design. This means that you can connect only the cables you need, which reduces cable clutter and improves airflow. The cables are also flat and low-profile, which makes cable management easier and more aesthetically pleasing. In terms of safety features, the Thermaltake Smart Pro RGB 750W power supply has you covered. 

Moreover, It has over-voltage, over-current, and short-circuit protection, which means that your system will be protected in case of a power surge or other electrical issue. Additionally, it has a Smart Zero Fan mode, which means that the fan will only turn on when it’s needed, reducing noise and extending the lifespan of the fan. Lastly, the Thermaltake Smart Pro RGB 750W power supply comes with a 7-year warranty, which provides peace of mind and ensures that you’ll be covered in case of any issues with the power supply.

Pros

• Good build quality
• Full power at 46 degree Celsius
• Fully modular
• 7-Years warranty
• Impressive performance 

Cons

• Small distance between peripherals

5- EVGA 700 BR, 80+ Bronze 700W, Power Supply

Looking for an affordable power supply unit for your Ryzen 9 7900X3D? So must Look the EVGA 700 BR. This budget-friendly PSU still manages to deliver a reliable and efficient power source for your high-end system. With an 80+ Bronze efficiency rating, the EVGA 700 BR is able to provide up to 85% energy efficiency under typical loads. It also features a quiet 120mm sleeve bearing fan that keeps the unit cool and reduces noise levels.

Thanks to its  is fully modular ability , allowing you to easily customize your cable configuration and reduce cable clutter. It also comes with a 3-year warranty for added peace of mind. One potential drawback of this PSU is its 700W power output, which may not be enough for some more power-hungry builds. However, if you’re on a budget and looking for a reliable and efficient PSU for your Ryzen 9 7900X3D, the EVGA 700 BR is a great option to consider.

In terms of features, the EVGA 700 BR includes over voltage, under voltage, over current, and short circuit protections to ensure your components stay safe from power fluctuations. It also features active power factor correction, which helps to reduce your electricity bill by improving efficiency. Furthermore, The EVGA 700 BR is a solid choice for those looking for an affordable and reliable power supply for their Ryzen 9 7900X3D build. While it may not have all the bells and whistles of some higher-end PSUs, it delivers where it counts and comes at a price that won’t break the bank.

Pros

• Budget-friendly
• 100% Safety protection 
• Excellent build quality

Cons

• Small Distance between peripherals connectors
• Just 3 years warranty

6- ASUS ROG Thor 1000W Platinum II Fully Modular Power Supply

For high power demands, the ASUS ROG Thor 1000W Platinum II Fully Modular Power Supply is an excellent choice for Ryzen 9 7900X3D users who require reliable and efficient power delivery. This power supply is designed for high-performance gaming and computing systems and is 80+ Platinum certified, ensuring that it operates at up to 94% efficiency. The ROG Thor 1000W Platinum II features a Lambda A++ certification, which means it meets the stringent standards for electrical safety and reliability. 

It also has ROG heatsinks and a 135mm PWM fan, which help to keep it cool and quiet during operation. Additionally, the 0dB mode allows the fan to stop completely when the power supply is operating at low loads, reducing noise and increasing efficiency. The OLED panel is another unique feature of the ROG Thor 1000W Platinum II, providing real-time power consumption and efficiency data for the user. The panel can also display personalized messages and graphics, adding a touch of personalization to your system.

The ROG Thor 1000W Platinum II is fully modular, allowing users to only connect the cables they need for their specific system, reducing clutter and improving airflow. It also comes with sleeved cables, adding a clean and professional look to the system build. Finally, the Aura Sync feature of the ROG Thor 1000W Platinum II allows for customizable RGB lighting effects, allowing users to synchronize their power supply lighting with other Aura Sync-compatible components, adding a stylish touch to the build.

Pros 

• Good Build quality
• Not noisy
• Customizable RGB lighting 
• 1000 watts Platinum certification

Cons

• Expensive

Best PSU for Ryzen 9 7900X3D Buying Guide

Assembling a powerful system requires a reliable and efficient power supply unit (PSU) that can support the high power demand of components like the Ryzen 9 7900X3D. A high-quality PSU ensures stable and consistent power delivery, which helps protect your system from potential damage due to power fluctuations. In this buying guide, we will take a look the five essential features to which help to when choosing the best PSU for Ryzen 9 7900X3D.

Wattage: 

First and most important The wattage of a PSU desired  how much power it can provide to the system. For Ryzen 9 7900X3D, a PSU with a wattage rating of at least 750W is recommended to handle the power demands of the CPU, graphics card, and other components.

Efficiency Rating: 

The efficiency rating of a PSU determines how much power is lost during the conversion process from AC to DC. Higher efficiency means less power loss, which leads to less heat and a lower energy bill. Look for PSUs with 80 Plus Bronze, Silver, Gold, or Platinum certifications for optimal efficiency.

Modular Design: 

For reducing cable clutter and improving airflow, you most look A modular PSU allows you to connect only the cables you need for your system,. This design also makes cable management easier and enhances the overall aesthetics of your build. In our list all products have this ability. 

Fan Noise:

The fan noise of a PSU is an important consideration, especially if you prefer a quiet system. Look for PSUs with large diameter fans and advanced cooling technologies such as Zero RPM Fan Mode, which turns off the fan under low load conditions.

Brand Reputation and Warranty:

Looking  a reputable brand ensures the quality and reliability of the PSU. Most PSU brands offer a warranty ranging from 3 to 10 years, so be sure to check the warranty terms before purchasing.

FAQs

What is the recommended wattage for a PSU with Ryzen 9 7900X3D?

The recommended wattage for a PSU with Ryzen 9 7900X3D is 750 watts or higher.

Is it necessary to have a fully modular PSU for Ryzen 9 7900X3D?

No, it’s not necessary, but having a fully modular PSU can make cable management easier and improve airflow in your PC case.

Can You use a lower wattage PSU with Ryzen 9 7900X3D?

It’s not recommended to use a lower wattage PSU as it may not provide enough power to your system and cause stability issues.