When you’re building a high-performance system with an AMD Threadripper, choosing the right power supply isn’t just important—it’s essential. A quality PSU can significantly impact your system’s stability and efficiency. With so many options out there, it’s easy to feel overwhelmed. But don’t worry; we’ve narrowed it down to the 10 best power supplies that can help you maximize your build’s potential. Let’s explore what you should consider to make the best choice.

CORSAIR RM850e 850W Fully Modular Power Supply

If you’re building a high-performance system around a Threadripper CPU, the CORSAIR RM850e 850W Fully Modular Power Supply is an excellent choice. With its fully modular design, you can connect only the cables you need, simplifying installation. The Cybenetics Gold efficiency ensures reliable power, while the 105°C-rated capacitors maintain steady performance. Plus, it’s Intel ATX 3.1 certified and PCIe 5.1 ready, offering future-proof compatibility. The 120mm rifle bearing fan operates quietly, even under full load. Backed by a seven-year warranty, it’s a solid investment for anyone aiming for top-tier performance in their build.

Best For: The CORSAIR RM850e 850W Fully Modular Power Supply is best for gamers and PC builders seeking a reliable, high-efficiency power solution for high-performance systems, including those with Threadripper CPUs.

Pros:

• Fully modular design allows for easy cable management and installation.
• Cybenetics Gold efficiency rating ensures reliable and efficient power delivery.
• Quiet operation due to the 120mm rifle bearing fan, even under heavy loads.

Cons:

• Some users may find the price point higher compared to non-modular alternatives.
• Limited return policy for conditions other than “dead on arrival” or damage upon receipt.
• May not include enough connectors for very high-end multi-GPU setups without additional adapters.

Thermaltake Toughpower GT 850W Power Supply (PS-TPT-0850FNFAGU-3)

The Thermaltake Toughpower GT 850W Power Supply (PS-TPT-0850FNFAGU-3) stands out for its impressive 80 PLUS Gold efficiency, making it an excellent choice for users building high-performance systems, like those powered by Threadripper processors. With up to 90% efficiency, you’ll reduce energy consumption and heat output. Its high amperage single +12V rail ensures reliable power delivery for demanding workloads. Fully modular design and low-profile flat black cables enhance airflow and simplify cable management. Plus, with Smart Zero Fan Technology, the fan automatically adjusts speed based on load, keeping noise to a minimum during low-load operations. Enjoy a powerful, quiet setup!

Best For: High-performance gaming and workstation builds that require reliable power delivery and efficient energy consumption.

Pros:

• 80 PLUS Gold Efficiency: Up to 90% efficiency reduces energy costs and heat output.
• High Amperage Single +12V Rail: Provides stable power for demanding hardware configurations.
• Fully Modular Design: Enhances airflow and simplifies cable management with low-profile flat black cables.

Cons:

• Price Point: May be more expensive compared to standard power supplies.
• Potential Overkill for Low-End Builds: Features may exceed the needs of basic systems.
• Smart Zero Fan Technology Limitations: Fan may not operate as intended under very low loads, potentially leading to higher temperatures.

Cooler Master MWE Gold 850 V2 Full Modular PSU (850W)

For those seeking a reliable and efficient power supply for their Threadripper builds, the Cooler Master MWE Gold 850 V2 Full Modular PSU stands out with its impressive 850W capacity and 80+ Gold certification. This PSU is compatible with high-end graphics cards like the Nvidia RTX 5080 and AMD RX 9070 XT. Its fully modular design features flat black cables, reducing clutter and improving airflow. With a 120mm Hydro Dynamic Bearing fan, it operates quietly, even in semi-fanless mode during low loads. Plus, you get peace of mind with a 5-year warranty, ensuring long-lasting performance.

Best For: Those building high-performance gaming or workstation PCs that require a reliable and efficient power supply.

Pros:

• 80+ Gold certification ensures high energy efficiency, reducing electricity costs.
• Fully modular design allows for cleaner cable management and improved airflow within the case.
• Quiet operation thanks to the 120mm Hydro Dynamic Bearing fan and semi-fanless mode during low loads.

Cons:

• 850W may be overkill for lower-end builds, leading to unnecessary expense.
• Limited to 5-year warranty compared to some competitors offering longer warranties.
• Flat black cables may not appeal to users looking for more color options or aesthetics.

be quiet! Straight Power 12-1500w Modular Power Supply

Engineered for high-performance systems, the be quiet! Straight Power 12-1500W Modular Power Supply delivers exceptional efficiency with an 80 PLUS Platinum certification and up to 93.9% energy efficiency. Its single massive 12V rail provides a continuous 1500W, perfect for demanding builds. You’ll appreciate the native 12VHPWR connector for next-gen PCIe 5.0 graphics cards, alongside four PCIe 6+2-pin connectors. The innovative Silent Wings fan ensures optimal airflow with minimal noise, enhancing cooling performance. Plus, its wire-free design promotes longevity for both the PSU and your components. This power supply is ideal for your high-end Threadripper setup, ensuring reliable performance.

Best For: High-end gaming and workstation users seeking reliable and efficient power supply solutions for demanding systems.

Pros:

• 80 PLUS Platinum certification ensures exceptional energy efficiency, reducing power consumption.
• Native 12VHPWR connector allows compatibility with next-gen PCIe 5.0 graphics cards, future-proofing your setup.
• Silent Wings fan technology provides optimal cooling performance while maintaining minimal operational noise.

Cons:

• Higher price point compared to lower-rated power supplies may not be suitable for budget builds.
• 1500W capacity might be overkill for users with less demanding systems.
• Modular design may require additional cable management efforts during installation.

Thermaltake SMART 600W Power Supply (PS-SPD-0600NPCWUS-W)

Delivering a solid 600W continuous output, the Thermaltake SMART 600W Power Supply (PS-SPD-0600NPCWUS-W) stands out as an excellent choice for users looking to power high-performance systems, such as those equipped with AMD’s Threadripper CPUs. With its 80 PLUS certification, you can expect 80% efficiency, ensuring reliable performance. It supports dual PCI-E connectors and features a robust +12V rail for consistent power delivery. Additionally, industry-grade protections like Over Voltage and Short Circuit Protection safeguard your components. The high-quality design includes Active PFC and a Mean Time Between Failures of 100,000 hours, making it a trustworthy option for your build.

Best For: Users seeking a reliable power supply for high-performance systems, particularly those utilizing AMD’s Threadripper CPUs.

Pros:

• 80 PLUS certified for 80% efficiency, ensuring energy savings.
• Dual PCI-E connectors support high-end graphics cards for gaming or professional use.
• Robust protection features including Over Voltage and Short Circuit Protection enhance component safety.

Cons:

• Only a maximum output of 600W may not be sufficient for extremely high-end builds with multiple GPUs.
• Limited hold-up time of 16 milliseconds at 60% load may not be ideal for all users.
• The design may not appeal to those seeking a modular power supply for cable management.

be quiet! Dark Power 14 850W Modular Power Supply

The be quiet! Dark Power 14 850W Modular Power Supply is a powerhouse for your Threadripper build. With an 80 PLUS Titanium certification, it boasts up to 95.57% efficiency, ensuring you get the most from your system. Its modular design and sleeved cables keep your setup tidy, while the Silent Wings fan technology guarantees whisper-quiet operation. You’ll appreciate the active and semi-passive cooling modes, especially during overclocking sessions. Plus, high-quality Japanese capacitors promise reliability and stability. Whether you’re gaming or rendering, this PSU delivers exceptional performance, enhanced airflow, and a cooler environment for your high-end components.

Best For: The be quiet! Dark Power 14 850W Modular Power Supply is best for high-end gaming and workstation builds that require reliable power and efficiency.

Pros:

• Exceptional Efficiency: 80 PLUS Titanium certification ensures up to 95.57% efficiency, reducing power consumption.
• Quiet Operation: Silent Wings fan technology and semi-passive cooling modes keep noise levels to a minimum.
• Modular Design: Sleeved cables and a modular setup provide a tidy installation and improved airflow within the case.

Cons:

• Higher Price Point: Premium features and efficiency come at a higher cost compared to standard power supplies.
• Overkill for Lower-End Builds: May be more power than necessary for budget or mid-range systems.
• Limited Availability: High demand and premium status might make it harder to find in stock.

CORSAIR RM850x Fully Modular 850W Power Supply

If you’re building a high-performance system with a Threadripper processor, the CORSAIR RM850x Fully Modular 850W Power Supply stands out as an excellent choice. With Cybenetics Gold certification, it boasts up to 91% efficiency, ensuring lower power consumption and cooler operation. Its fully modular design lets you connect only the cables you need, streamlining your build. The native 12V-2×6 connector guarantees compatibility with the latest graphics cards without extra adapters. Plus, its ultra-flexible cables and sleek embossed look make installation a breeze. This power supply effectively supports PCIe 5.1, providing reliable performance for your demanding applications.

Best For: High-performance PC builders seeking a reliable and efficient power supply for demanding applications.

Pros:

• Cybenetics Gold certification ensures up to 91% efficiency, resulting in lower power consumption and heat generation.
• Fully modular design allows for a clean and organized build by connecting only necessary cables.
• Native 12V-2×6 connector provides direct compatibility with the latest graphics cards, eliminating the need for additional adapters.

Cons:

• 850W capacity may not be sufficient for extremely high-end multi-GPU setups.
• Higher price point compared to non-modular or lower wattage power supplies.
• Limited customization options for cable aesthetics compared to some other brands.

be quiet! Dark Power 13 1000W Power Supply (BN661)

For those seeking an efficient and powerful solution for their Threadripper builds, the be quiet! Dark Power 13 1000W Power Supply (BN661) stands out. With an impressive 80 PLUS Titanium efficiency rating, it delivers up to 95.2% efficiency, ensuring minimal energy waste. This ATX 3.0 unit fully supports PCIe 5.0 GPUs and features an innovative Silent Wings fan for virtually inaudible operation. Plus, its modular design allows for customized cable management, while the overclocking key lets you switch between four 12V rails and one massive 12V rail, making it perfect for high-demand gaming and professional applications.

Best For: Enthusiasts and professionals looking for a high-efficiency power supply for demanding gaming and workstation builds.

Pros:

• 80 PLUS Titanium efficiency ensures minimal energy waste and lower electricity bills.
• Modular design allows for customizable cable management, improving airflow and aesthetics.
• Virtually inaudible operation thanks to the innovative Silent Wings fan, perfect for noise-sensitive environments.

Cons:

• Higher price point compared to standard power supplies may not fit every budget.
• 1000W output may be excessive for users with less demanding systems.
• Limited availability in some regions could make purchasing more challenging.

be quiet! BN517 Straight Power 12-1200w Modular Power Supply

Looking for a power supply that can efficiently handle the demanding needs of a Threadripper build? The be quiet! BN517 Straight Power 12-1200w Modular Power Supply is an excellent choice. With its 80 PLUS Platinum efficiency rating, it delivers up to 93.8% efficiency, ensuring minimal energy waste. This ATX 3.0 compatible unit supports PCIe 5.0 GPUs and features modular design for easy cable management. The virtually inaudible Silent Wings 135mm fan cools your components effectively, while the funnel-shaped fan opening maximizes airflow. Experience reliable performance and silent operation with this top-tier power supply for your high-performance gaming rig.

Best For: Power users and gamers looking for a high-efficiency power supply to support demanding systems like Threadripper builds.

Pros:

• 80 PLUS Platinum efficiency rating, ensuring minimal energy waste and lower electricity bills.
• Modular design allows for improved cable management, reducing clutter in your PC case.
• Virtually inaudible Silent Wings 135mm fan provides effective cooling without adding noise to your setup.

Cons:

• Higher price point compared to standard power supplies.
• May be overkill for budget or entry-level builds that don’t require such high wattage.
• Limited availability of certain high-wattage models in some regions.

NZXT C850 Gold Core 850W ATX Power Supply

The NZXT C850 Gold Core 850W ATX Power Supply stands out as an excellent choice for enthusiasts building high-performance systems, especially those using Threadripper CPUs. With its 80 Plus Gold and Cybenetics Platinum certifications, you’ll enjoy energy efficiency and reduced heat under demanding loads. The fully modular design simplifies installation and cable management, while the 135 mm fan ensures near-silent operation, thanks to the Zero RPM mode. It’s PCIe 5.1 ready, supporting the latest GPUs. Plus, built-in protections and a generous 7-year warranty offer peace of mind, making it a reliable choice for your powerhouse build.

Best For: Enthusiasts building high-performance systems, particularly those using Threadripper CPUs and modern NVIDIA graphics cards.

Pros:

• 80 Plus Gold and Cybenetics Platinum certified for excellent energy efficiency and heat management.
• Fully modular design for clean cable management and easy installation.
• Near-silent operation with a 135 mm fan and Zero RPM mode during light workloads.

Cons:

• May be overkill for casual users with lower power requirements.
• Higher price point compared to non-modular power supplies.
• Limited compatibility with older GPU models due to PCIe 5.1 readiness.

Factors to Consider When Choosing a Power Supply for Threadripper

When you’re choosing a power supply for your Threadripper, there are several key factors to keep in mind. You’ll want to consider wattage requirements, efficiency ratings, and the benefits of a modular design. Additionally, think about cooling solutions and compatibility with your other components to ensure a smooth build.

Wattage Requirements

Selecting the right wattage for your Threadripper power supply is crucial, and you should aim for at least 850W to meet the processor’s high power demands. Threadripper CPUs can consume significant power, especially under load, so look for a supply that can deliver around 80% to 90% of its rated capacity continuously. Consider future upgrades too; a higher wattage supply allows room for additional components like multiple GPUs or advanced cooling systems. Additionally, some configurations may require power supplies with high transient power support to manage sudden spikes in power draw during intensive tasks. Always ensure your choice aligns with your system’s needs to unleash the full potential of your Threadripper build.

Efficiency Ratings

Choosing a power supply with a high efficiency rating can significantly enhance your Threadripper build’s performance and longevity. Efficiency ratings, such as 80 PLUS certifications, indicate how well a power supply converts AC power into DC power. Higher ratings, like Gold or Platinum, mean less energy wastage and lower heat output. A Gold-rated PSU typically operates at about 90% efficiency, leading to energy savings over time, especially in demanding systems. Platinum-rated supplies can achieve up to 94% efficiency, reducing electricity bills and keeping temperatures cooler. These ratings also help handle transient loads, ensuring stable power delivery during peaks, which is essential for high-core-count CPUs. Plus, a more efficient power supply contributes to quieter operation by reducing fan speeds.

Modular Design Benefits

A high-quality power supply is not just about efficiency; its design also plays a key role in your Threadripper build. Opting for a fully modular power supply lets you connect only the necessary cables, enhancing airflow and reducing clutter within your case. This design simplifies installation and upgrades, allowing you to add or remove cables without digging into the entire unit. Plus, modular power supplies often come with flat, low-profile cables that improve aesthetics and make routing easier. Better airflow from a modular setup can lead to improved cooling efficiency, helping your system maintain optimal temperatures. Lastly, modular designs simplify troubleshooting, letting you isolate and disconnect specific cables without affecting the entire power system.

Cooling Solutions

When it comes to power supplies for your Threadripper build, effective cooling solutions are crucial for preventing overheating and ensuring stable operation. Look for power supplies equipped with larger fans, like 120mm or 135mm models, as they can move more air at lower RPMs, keeping things quieter. Advanced fan technologies, such as fluid dynamic bearings, reduce friction and noise, enhancing cooling performance. Consider models with zero RPM modes, which keep the fan off during low loads, minimizing noise and extending fan lifespan. Lastly, pay attention to airflow design; funnel-shaped fan inlets can significantly improve circulation within the power supply, ensuring optimal cooling efficiency even when your system is under heavy load.

Compatibility With Components

To ensure your Threadripper system operates efficiently, it’s essential to select a power supply that aligns with your components’ requirements. First, make sure the power supply meets ATX 3.0 or 3.1 specifications to support the latest Threadripper processors. Look for native PCIe 5.0 connectors, specifically the 12V-2×6 connector, to accommodate modern graphics cards. Additionally, choose a power supply that can handle high wattage demands, ideally 850W or more, for power-hungry CPUs and multi-GPU setups. Ensure it has adequate +12V rail capacity, as Threadripper processors need stable power delivery. Lastly, consider the efficiency rating; an 80 PLUS Gold rating or higher will provide reliable operation and lower energy consumption during demanding workloads.

Rail Configuration

Choosing the right rail configuration for your power supply can significantly impact your Threadripper system’s performance and stability. A single-rail configuration can simplify power delivery, allowing all components to draw power from one robust source. This is especially useful for handling the demanding transient power spikes of multi-threaded applications. On the other hand, a multi-rail design may enhance safety by distributing the load and preventing excessive current on any single rail. It’s crucial to select a power supply that meets the total wattage and amperage needs of your components, particularly during peak loads. Ultimately, the rail configuration you choose should align with your performance requirements and safety considerations for an optimal Threadripper experience.

Noise Levels

Noise levels in power supplies can significantly affect your overall computing experience, especially in a high-performance setup like a Threadripper system. When choosing a power supply, consider models with larger fans, as they typically run at lower RPMs, producing less noise. Look for advanced technologies like Smart Zero Fan Technology or semi-fanless operation, which keep the fan inactive during low-load conditions for quieter operation. Higher efficiency ratings, such as 80 PLUS certifications, also correlate with reduced noise since they generate less heat and require less cooling. Additionally, power supplies using high-quality bearing types, like fluid-dynamic or rifle bearings, tend to operate more quietly. Aim for units that achieve near-silent operation, ideally below 15 dBA, for the ultimate quiet experience.

Warranty and Support

When selecting a power supply for your Threadripper setup, warranty and support can play a crucial role in ensuring your system’s longevity and reliability. A longer warranty period, typically five to seven years, signals a manufacturer’s confidence in their product’s durability. Look for power supplies that offer robust customer support, providing easy access to service and troubleshooting assistance. Some manufacturers even offer replacement services for defective units, minimizing downtime for your high-performance system. Ensure the warranty covers manufacturing defects and, if possible, damage from power surges. Lastly, review the warranty terms carefully to understand any limitations or exclusions that may apply. This way, you can make a well-informed decision for your build.