If you're building a PC with the powerful Ryzen 9 3950X processor, you'll need a power supply unit (PSU) that can handle its demands. But with so many options on the market, it can be overwhelming to know which one to choose. Here are 5 key points to consider when looking for the best PSU for your Ryzen 9 3950X:
1. Wattage: The Ryzen 9 3950X is a high-end processor that requires a lot of power, so you'll want a PSU with a wattage of at least 750W, and preferably 850W or higher.
2. Efficiency: Look for a PSU with at least an 80 Plus Gold certification, which means it's highly efficient and will save you money on your electricity bill over time.
3. Modular vs. non-modular: Modular PSUs allow you to only use the cables you need, which can improve airflow and make cable management easier. However, they tend to be more expensive than non-modular PSUs.
4. Brand reputation: Stick with reputable brands that have a track record of producing high-quality PSUs, such as Corsair, EVGA, and Seasonic.
5. Price: While you don't want to skimp on your PSU, you also don't want to overspend. Look for a PSU that fits your budget while still meeting the above criteria.
By keeping these key points in mind, you'll be able to narrow down your options and find the best PSU for your Ryzen 9 3950X build.
10 Best Psu For Ryzen 9 3950X
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1. Amd Ryzen Threadripper 3970x 32-Core, 64-Thread Unlocked Desktop Processor

The AMD Ryzen Threadripper 3970X is a powerhouse desktop processor that boasts an incredible 32 cores and 64 processing threads, making it an ideal choice for serious designers, artists, and professionals who demand the utmost computing power. With a maximum boost frequency of 4.5 GHz and a massive 144MB cache, this processor delivers exceptional performance and speed.
One of the most impressive features of the AMD Ryzen Threadripper 3970X is its unlocked design, which allows for easy overclocking and customization. Additionally, the processor includes a new automatic overclocking feature, which makes it even easier to get the most out of its impressive capabilities.
The AMD Ryzen Threadripper 3970X also features quad-channel DDR4 memory support and a total of 88 PCIe 4.0 lanes, making it an excellent choice for those who need to run multiple high-performance devices or applications simultaneously. With a TDP of 280W, this processor is a true workhorse that can handle even the most demanding computing tasks with ease.
It's worth noting that the AMD Ryzen Threadripper 3970X does not come with a cooler, so users will need to purchase a compatible cooling system separately. The processor is compatible with a range of operating systems, including Windows 10 64-bit, RHEL x86 64-bit, and Ubuntu x86 64-bit.
Overall, the AMD Ryzen Threadripper 3970X is an impressive desktop processor that delivers exceptional performance and speed for even the most demanding computing tasks. With its unlocked design, automatic overclocking feature, and support for high-speed memory and PCIe devices, this processor is a great choice for professionals who need the best possible computing power.
2. Corsair Hx1500i, 80+ Platinum Fully Modular Digital Psu With Triple Eps12v Connectors And Ultra-Low Noise 140mm Fdb Fan.

The Corsair HX1500i is a powerful and efficient power supply that is designed to meet the needs of even the most demanding computer systems. With its 80 PLUS Platinum certification, it delivers up to 94% energy efficiency at typical loads, which means less wasted energy and lower electricity bills.
One of the key features of the HX1500i is its fully modular cabling system, which allows users to connect only the cables that they need for their particular system. This results in a cleaner and more organized build, with fewer cables cluttering up the inside of the case. Additionally, the power supply comes with triple EPS12V connectors, which ensures compatibility with modern motherboards.
The HX1500i also features a 140mm Fluid Dynamic Bearing (FDB) fan, which provides quiet and efficient cooling performance. The fan is designed to last for a long time, thanks to its durable construction and high-quality bearings. Moreover, the power supply features a Zero RPM Fan Mode, which means that the fan will turn off completely when the load is low or medium. This results in near-silent operation, which is ideal for users who want a quiet and unobtrusive computing experience.
Another advantage of the HX1500i is its powerful CORSAIR iCUE software, which allows users to customize fan curves, monitor power settings, and toggle between single to multi-rail overcurrent protection (OCP) on-the-fly. This gives users greater control over their system's performance, as well as important information about power usage and efficiency.
Overall, the Corsair HX1500i is a top-of-the-line power supply that offers exceptional performance, efficiency, and customization options. Whether you are building a high-end gaming rig or a workstation for demanding applications, the HX1500i has the power and features you need to get the job done.
3. Quiet, Efficient, And Digital 1500w Power Supply With Modular Design And Virtually Silent Fan.

The be quiet! Dark Power Pro 12 1500W power supply is designed for high-end gaming systems and demanding workstations that require exceptional stability and performance. With an 80 PLUS Titanium efficiency rating of up to 94.9%, this power supply delivers outstanding energy efficiency, minimizing energy waste and reducing your electricity bill.
The Dark Power Pro 12 1500W features fully digital control, with power factor correction (PFC), LLC resonant circuit, and synchronous rectification (SR/12V) for precise and stable power delivery. The full bridge topology ensures high reliability and low noise, providing optimal performance even under heavy loads.
One of the standout features of the Dark Power Pro 12 1500W is its patented frameless Silent Wings fan, which delivers virtually inaudible operation at ordinary load levels. This innovative design eliminates the need for a traditional frame, reducing turbulence and noise while maximizing airflow and cooling capacity.
The full mesh PSU front with a redesigned funnel shape opening further enhances cooling efficiency, allowing the power supply to draw in cool air from all sides and channel it directly to the internal components. The result is a cooler and more stable system, even under heavy loads and overclocking.
The Dark Power Pro 12 1500W also includes an overclocking key, which switches between six 12V rails and one massive 12V rail to provide optimal power distribution for different system configurations. This allows you to fine-tune your system for optimal performance and stability, while minimizing the risk of damage to your components.
Overall, the be quiet! Dark Power Pro 12 1500W power supply is an exceptional choice for high-performance systems that demand exceptional stability, performance, and efficiency. With its advanced digital control, innovative cooling design, and virtually silent operation, this power supply is sure to exceed your expectations and provide years of reliable performance.
4. Velztorm Mini Lux Custom Gaming Desktop With High-End Specs, Including Amd Ryzen 9 5950x 16-Core, Geforce Rtx 3080 10gb, 128gb Ddr4, 2tb Pcie Ssd + 6tb Hdd, Wifi-N, 750w Psu, Rgb Fans, 240mm Aio White, And Win 10 Home Os.

The Velztorm Mini Lux Custom Gaming Desktop is a high-performance computer designed for gamers and professionals who require exceptional processing power and storage capacity. Featuring the latest 4th Gen AMD Ryzen 9 5950X 3.40GHz Processor, this desktop can reach clock speeds of up to 4.9 GHz with 64MB Cache, 16-Cores, and 32-Threads, making it perfect for demanding applications and multitasking.
The GeForce RTX 3080, 10GB GDDR6X PCIe 4.0, DirectX 12, VR Ready, G-SYNC graphics card is a powerful addition to this desktop, providing excellent performance and visuals. The 128GB DDR4 DIMM memory ensures that the computer can handle multitasking and memory-intensive applications with ease. The 802.11n Wifi and Ethernet LAN (RJ-45) provide reliable connectivity options, while the absence of a webcam makes this desktop ideal for those who prefer privacy.
The 750W Power Supply ensures that the computer can handle the power requirements of its components, while the RGB Lighting 240mm AIO Liquid CPU Cooler in white color adds a touch of style to the desktop. With a 2TB PCIe NVMe SSD and a 6TB HDD, this desktop provides ample storage space for all your games, applications, and files. The desktop includes 2 USB 3.0 Type-A, 2 USB 3.2 Gen1, 4 USB 2.0, 1 HDMI, 1 Display Port (DP), USB 3.2 Type-C Gen1, USB 3.2 Type-C Gen2, and a Headphone/Microphone Combo Jack.
The desktop comes with Windows 10 Home pre-installed and a 1-year manufacturer warranty from MichaelElectronics2, who has professionally upgraded the desktop to ensure that it meets the highest standards of performance and reliability. With its exceptional processing power, graphics card, memory, and storage capacity, the Velztorm Mini Lux Custom Gaming Desktop is a top-of-the-line computer that delivers outstanding performance and reliability for gamers and professionals alike.
5. Evga 1300w Gold Power Supply With Free Tester & 10-Year Warranty – Fully Modular (220-Gp-1300-X1)

The EVGA Supernova 1300 G+ is a top-of-the-line power supply designed for high-performance computing. With an 80 PLUS Gold certification, it boasts an impressive efficiency rating of 90% or higher under typical loads, making it an energy-efficient choice for power-hungry systems.
One of the key features of the Supernova 1300 G+ is its fully modular design. This means that all of the cables can be detached and reattached as needed, reducing clutter and improving airflow within the case. This not only results in a neater appearance but also helps to keep temperatures down, which can be especially important in high-end systems.
The Supernova 1300 G+ uses 100% Japanese capacitors, which are known for their high quality and reliability. Additionally, it features a DC-DC converter design that improves the stability of the 3.3V and 5V rails, ensuring that your system components receive a clean and stable supply of power.
Another standout feature of the Supernova 1300 G+ is its Fluid Dynamic Bearing Fan and EVGA ECO Mode. The fan uses a special bearing design that reduces friction and noise, resulting in ultra-quiet operation. The ECO Mode further enhances this by adjusting the fan speed based on the load of the power supply, ensuring that it only runs as fast as necessary to keep the unit cool. This not only makes for a more pleasant computing experience but also increases the lifespan of the power supply.
The Supernova 1300 G+ is rated for an operating temperature range of 0° to 50° C, which means it can handle a wide range of environmental conditions. It also comes with a 10-year warranty, which is a testament to its durability and reliability.
Finally, the package includes a free Power On Self Tester, which allows you to quickly and easily check the functionality of your power supply. This is a handy tool to have on hand, especially if you're building a new system or troubleshooting an existing one.
Overall, the EVGA Supernova 1300 G+ is a high-quality power supply that offers excellent performance, efficiency, and reliability. Its modular design, Japanese capacitors, and quiet operation make it a great choice for anyone building a high-end system.
6. Skytech Chronos Gaming Pc: Amd Ryzen 7 5700x, Nvidia Rtx 4070 Ti, 1tb Nvme Ssd, 16gb Ddr4 Ram, 750w Gold Psu, 11ac Wi-Fi, Windows 11 Home 64-Bit.

The Skytech Chronos Gaming PC Desktop is a powerful machine that is designed to meet the needs of gamers who demand the best performance. It is equipped with an AMD Ryzen 7 5700X 3.4GHz (4.6GHz Max Boost) CPU Processor and a 1TB NVME SSD, which is up to 30 times faster than a traditional HDD. This makes it an ideal choice for gamers who want lightning-fast load times and quick access to their favorite games.
The NVIDIA Geforce RTX 4070 Ti 12GB GDDR6X Graphics Card that comes with the Skytech Chronos Gaming PC Desktop is a high-end graphics card that can handle even the most demanding games with ease. It has 16GB DDR4 RAM 3200 Gaming Memory with Heat Spreader, which ensures that the system runs smoothly and efficiently. The Skytech Chronos Gaming PC Desktop also comes with Windows 11 Home 64-bit, which is the latest operating system from Microsoft.
The Skytech Chronos Gaming PC Desktop has an 802.11 AC Wi-Fi connectivity, which ensures that gamers can enjoy uninterrupted online gaming sessions without any lag or connectivity issues. Additionally, there is no bloatware included, which means that the system is free from any unwanted software that can slow it down.
This gaming PC has several graphic output options, including 1 x HDMI and 1 x Display Port, with additional ports that may vary. It also has USB ports including 2.0, 3.0, and 3.2 Gen1 Ports, HD Audio, and Mic. In addition, the system comes with a free gaming keyboard and mouse that are designed to provide gamers with the best possible experience.
The Skytech Chronos Gaming PC Desktop has four RGB fans that provide maximum air flow, ensuring that the system stays cool even during the most intense gaming sessions. The Skytech Chronos Case White Edition with Front Mesh is not only stylish but also ensures efficient air flow. The system comes with a 1-year warranty on parts and labor and lifetime free technical support.
In terms of performance, the Skytech Chronos Gaming PC Desktop can handle all your favorite games with ease, including Call of Duty Warzone, Fornite, Escape from Tarkov, Grand Theft Auto V, Valorant, World of Warcraft, League of Legends, Apex Legends, Roblox, PLAYERUNKNOWN's Battlegrounds, Overwatch, Counter-Strike: Global Offensive, Battlefield V, New World, Minecraft, Elden Ring, Rocket League, The Division 2, and more. The system can run these games at ultra settings, detailed 4K Ultra HD resolution, and smooth 60+ FPS gameplay.
In conclusion, the Skytech Chronos Gaming PC Desktop is an excellent choice for gamers who demand the best performance. It is a powerful machine that is designed to handle even the most demanding games with ease. The system is packed with features that are designed to provide gamers with the best possible experience, including a high-end graphics card, fast SSD, efficient cooling, and a 1-year warranty.
7. Corsair Ax1600i Digital Power Supply – 1600w, 80+ Titanium, Fully Modular.

The Corsair AXi Series AX1600i is a digital power supply that boasts 1600W of continuous ultra-stable power with an 80+ Titanium efficiency certification. This product is designed to deliver top-tier performance with its 100% 105°C Japanese capacitors and other top-specification internal components.
One of the standout features of this power supply is its use of Totem-pole PFC Gallium Nitride (GaN) transistors, which are known for their superior efficiency in a smaller form-factor compared to traditional silicon parts. This feature sets the Corsair AXi Series AX1600i apart from other enthusiast PSUs on the market.
In terms of electrical performance, this power supply delivers incredibly stable voltages and ultra-low ripple noise, making it an ideal choice for demanding applications such as gaming or professional video editing.
The Corsair AXi Series AX1600i also comes with powerful CORSAIR LINK software that allows users to monitor and adjust PSU power settings. This software also allows users to switch from single to multi overcurrent protection (OCP) on-the-fly, giving them greater control over their power supply.
Overall, the Corsair AXi Series AX1600i is a top-tier digital power supply that is designed to deliver world-class performance to demanding users. With its 80+ Titanium efficiency certification, Totem-pole PFC Gallium Nitride transistors, and powerful CORSAIR LINK software, this power supply is sure to meet the needs of even the most demanding users.
8. Amd Ryzen Threadripper 2950x Processor (Yd295xa8afwof)

The AMD Ryzen Threadripper 2950X Processor (YD295XA8AFWOF) is a powerful and advanced processor that is designed to deliver top-notch performance for demanding computing tasks. The processor comes with 16 cores and 32 processing threads, making it one of the most powerful processors in the market today. It is also updated with 2nd Gen Ryzen Technology Advancements, which further enhances its performance.
The processor boasts an incredible 4.4 GHz Max Boost Frequency, which means that it can handle even the most demanding applications with ease. It also comes with a huge 40MB Cache, which ensures that the processor can access frequently used data quickly, resulting in faster performance.
The AMD Ryzen Threadripper 2950X Processor is unlocked, which means that it can be overclocked to achieve even higher performance levels. The new Precision Boost Overdrive (PBO) feature allows for automatic overclocking, making it easy for users to get the most out of their processor without having to manually tweak settings.
The processor also features Quad Channel DDR4 and 64 PCIe lanes, which provides the most bandwidth and I/O that can be obtained on a desktop processor. This makes it ideal for users who need to run multiple applications simultaneously or who require high-speed data transfer rates.
The AMD Ryzen Threadripper 2950X Processor has a 180W TDP, which means that it requires a powerful cooling solution to keep it running at optimal temperatures. It does not come with a CPU cooler included, so users will need to purchase one separately.
The processor is compatible with Windows 10 64 Bit Edition, RHEL x86 64 Bit, and Ubuntu x86 64 Bit operating systems. However, the level of support may vary by manufacturer.
Overall, the AMD Ryzen Threadripper 2950X Processor is a powerful and feature-packed processor that is ideal for users who require top-notch performance for demanding computing tasks. With its advanced technology, high core count, and automatic overclocking features, this processor is sure to deliver impressive performance for years to come.
9. Compact 850w Gaming Power Supply – Full Modular, 80 Plus Gold Certified, Atx 3.0, 100% Japanese 105°c Capacitors.

The MPG A850G PCIE 5 & ATX 3.0 Gaming Power Supply is a high-performance power supply unit designed for gaming enthusiasts and professionals. It is a fully modular power supply that offers exceptional reliability and long-term performance. With a compact size and a sleek design, this power supply unit is perfect for small form factor builds.
One of the key features of the MPG A850G PCIE 5 & ATX 3.0 Gaming Power Supply is its 80 Plus Gold certification, which means it is highly efficient and can deliver up to 90% efficiency at typical loads. This certification ensures that the power supply unit is reliable and can deliver stable power to your gaming rig.
The MPG A850G PCIE 5 & ATX 3.0 Gaming Power Supply is equipped with 100% Japanese 105°C capacitors, which are known for their superior quality and durability. These capacitors can provide stable power delivery to your system, even under heavy loads. They are rated for a long lifespan, ensuring that your power supply unit will last for years without any issues.
The power supply unit is also designed to be fully modular, which means all cables can be detached from the unit. This feature allows for easy cable management and customization of your build, ensuring that your system looks clean and organized.
The MPG A850G PCIE 5 & ATX 3.0 Gaming Power Supply is also equipped with a PCIE 5 and ATX 3.0 connector, ensuring that it is compatible with the latest graphics cards and motherboards. This feature ensures that your system can handle the latest games and applications without any issues.
The power supply unit has an input voltage range of 100-240, making it compatible with a wide range of voltages. It also comes with a 10-year limited warranty, which guarantees long-term reliable operation and peace of mind for the user.
In summary, the MPG A850G PCIE 5 & ATX 3.0 Gaming Power Supply is a reliable, efficient, and high-performance power supply unit that is perfect for gaming enthusiasts and professionals. With its 80 Plus Gold certification, fully modular design, and 100% Japanese 105°C capacitors, this power supply unit is sure to provide stable and reliable power to your gaming rig for years to come.
10. Centaurus A4.1 Gaming Pc – Amd Ryzen 9 5900x, 32gb Ram, Radeon Rx 6800 Xt, 1tb Ssd, Win 11 Pro, Liquid Cooler, Wifi. Vr & 4k Ready.

The Centaurus Andromeda A4.1 Gaming Computer is a top-of-the-line piece of technology that boasts impressive specifications for any gamer or professional user. Powered by an AMD Ryzen 9 5900X 12-Core processor that can reach speeds of up to 4.7GHz, this computer is capable of handling even the most demanding applications with ease.
With 32GB of DDR4 3200MHz RAM, the Andromeda A4.1 can multitask with ease, allowing users to run multiple applications simultaneously without experiencing any lag or slowdowns. Additionally, the computer features a 240mm liquid cooler to ensure that the CPU stays cool even during extended gaming or work sessions.
The Andromeda A4.1 comes equipped with an AMD Radeon RX 6800 XT 16GB GPU, which ensures that users can enjoy smooth and immersive gaming experiences at high resolutions. The GPU features both HDMI and DisplayPort outputs, providing users with a wide range of options for connecting their monitors.
Windows 11 Pro comes pre-installed on the Andromeda A4.1, providing users with a fast and intuitive operating system that is optimized for gaming and productivity. The computer also features 802.11AC WiFi and 1Gbps Ethernet, ensuring that users can stay connected to the internet at all times.
Storage is also no issue with this computer, as it comes equipped with a 1TB solid-state drive (SSD) that provides lightning-fast boot times and snappy performance. Users can also add additional storage drives if needed, thanks to the multiple USB 3.2 and USB 2.0 ports available on the computer.
The Andromeda A4.1 comes packaged in a sleek Talos E2 case that features three 120mm fans and RGB LEDs, providing users with a stylish and functional design. The case also features a tempered glass side panel that allows users to showcase their computer's hardware.
Built with top-quality components and assembled in the USA, the Andromeda A4.1 is a reliable and powerful computer that is backed by a 1-year limited warranty and lifetime support. Any upgrades are also possible, allowing users to customize and improve their computer over time.
In summary, the Centaurus Andromeda A4.1 Gaming Computer is a high-performance machine that is perfect for gamers and professionals alike. With impressive specifications, top-quality components, and a sleek design, this computer is sure to impress anyone who uses it.
Best Psu For Ryzen 9 3950X FAQs
Are modular PSUs better for Ryzen 9 3950X builds?
Modular power supply units (PSUs) offer better cable management and flexibility when it comes to adding or removing cables from the PSU. This can help improve airflow and reduce clutter in a Ryzen 9 3950X build. Additionally, modular PSUs tend to be more efficient than non-modular ones, as they only use the necessary cables, reducing power loss and heat generation.
However, the type of PSU needed for a Ryzen 9 3950X build will depend on the specific components and power requirements of the system. A high-quality non-modular PSU with sufficient wattage may be just as effective as a modular PSU in this case. It is important to choose a reputable brand with a good track record for reliability and performance, and to ensure that the PSU can provide enough power for all components in the system.
Can a low-quality PSU damage my Ryzen 9 3950X?
Yes, a low-quality PSU can potentially damage your Ryzen 9 3950X. A PSU, or power supply unit, provides power to all the components in your computer, and a low-quality PSU may not deliver stable and consistent power, which can cause instability, crashes, or even damage to your components.
The Ryzen 9 3950X is a high-end processor that requires a lot of power, so it's important to choose a PSU that can handle its power requirements. A low-quality PSU may struggle to provide the necessary power or deliver it in an inconsistent manner, which can cause damage to your processor.
It's recommended to use a high-quality PSU from a reputable brand that can provide stable and consistent power to your components. It's also important to choose a PSU with enough wattage to handle your entire system's power needs, including any additional components like graphics cards or storage drives.
How much wattage do I need for a PSU to power Ryzen 9 3950X?
The recommended wattage for a PSU to power the Ryzen 9 3950X is around 750 watts. However, this can vary depending on the specific components in your build, such as the graphics card, storage devices, and other peripherals. It's important to choose a high-quality PSU with a high efficiency rating and sufficient wattage to ensure stable and reliable power delivery to your system. Overclocking and other high-demand applications may require even more power, so it's always a good idea to err on the side of caution and choose a PSU with a higher wattage rating than you think you'll need. Additionally, consider factors such as noise level, modular cabling options, and warranty when choosing a PSU for your build.
What are the recommended PSU brands for Ryzen 9 3950X?
The recommended PSU brands for Ryzen 9 3950X are those that have high-quality components, sufficient power output, and reliable performance. Some of the well-known brands that meet these requirements are Corsair, EVGA, Seasonic, and be quiet!. These brands offer a range of PSUs with different wattage ratings, efficiency levels, and features to cater to the diverse needs of users.
When choosing a PSU, it is essential to consider the power requirements of the system, the number and type of components, and any planned upgrades. A high-end CPU like Ryzen 9 3950X requires a powerful PSU with a minimum wattage of 750W to ensure stable and efficient performance. Additionally, modular and semi-modular PSUs are recommended to reduce cable clutter and improve airflow inside the case.
In summary, the recommended PSU brands for Ryzen 9 3950X are Corsair, EVGA, Seasonic, and be quiet!. Buyers should choose a PSU with sufficient power output, high-quality components, and appropriate features to meet their specific needs.
What is the best power supply unit (PSU) for Ryzen 9 3950X?
The best power supply unit (PSU) for Ryzen 9 3950X would be one that can provide ample power with minimal noise and voltage fluctuations. A PSU with a minimum of 850W is recommended for optimal performance. It is also important to consider the efficiency rating of the PSU, as a higher efficiency rating will result in lower power consumption and reduced heat output. Modular PSUs are also preferred as they allow for easier cable management and airflow. Some of the best PSU options for Ryzen 9 3950X include the EVGA SuperNOVA 850W G5, Corsair RM850x, Seasonic Focus Plus 850W, and the be quiet! Straight Power 11 850W. Ultimately, the choice of PSU will depend on personal preference and budget, but it is important to choose a reliable and high-quality PSU to ensure the longevity and stability of the system.