Best PSU For 4090 Reviews In 2024

The best PSU for the Nvidia RTX 4090 caters to the demands of hardcore enthusiasts and professional content creators, ensuring a seamless and powerful experience. With power supply wattage ranging from 1000 to 1600 watts and a versatile design, be it fully modular or semi-modular, these PSUs offer the reliability and customization needed for top-tier performance. Tailored to meet the robust requirements of the RTX 4090, these power supplies are the go-to choice for those pushing the limits of gaming and content creation.

• Power Supply Wattage: The Nvidia RTX 4090 is a powerhouse, demanding a substantial amount of power to operate efficiently. To ensure optimal performance and stability, it’s essential to choose a PSU with ample wattage. Generally, for the RTX 4090, a PSU within the range of 1000 to 1500 watts is recommended. This range allows your graphics card, along with other system components, to receive the necessary power without straining the PSU.
• Power Supply Design: The power supply design, specifically whether it is fully modular or semi-modular. A fully modular PSU allows you to connect and disconnect cables as needed, providing a cleaner and more organized system. On the other hand, a semi-modular PSU comes with essential cables pre-attached and offers additional modular ports for customization. The choice between fully modular and semi-modular depends on your preferences and the level of customization you desire. Both designs can be suitable for powering the Nvidia RTX 4090, but fully modular PSUs are often preferred for their flexibility and tidiness.

With a wattage within the recommended range and a modular design, they provide the reliability and flexibility needed to support the demanding requirements of the Nvidia RTX 4090. When selecting the best PSU for your RTX 4090, ensuring the right wattage and choosing a suitable modular design will contribute to a stable and efficient gaming experience. Dive into our exclusive “Buying Guide” to find the ultimate PSU for your Nvidia RTX 4090, ensuring a seamless experience for gaming and content creation.

Best PSU For 4090 List

Best PSU for 4090	Power Supply Wattage	Power Supply Design	Buy Now
ASUS ROG PSU for 4090	1600W	Full modular	Check On Amazon
Seasonic PSU for 4090	1600W	Full modular	Check On Amazon
be quiet PSU for 4090	1500W	Full modular	Check On Amazon
GAMEMAX PSU for 4090	1300W	Full modular	Check On Amazon
GIGABYTE PSU for 4090	1300W	Full modular	Check On Amazon
Thermaltake PSU for 4090	1200W	Full modular	Check On Amazon

Best PSU For 4090 Reviews

1. ASUS ROG PSU for 4090

• Dominating Power for the Elite: Meet the ASUS ROG Thor 1600W Titanium, a power supply crafted for hardcore gamers and demanding content creators. With an unparalleled 1600 watts of clean power, it effortlessly supports power-hungry beasts like the RTX 4090, ensuring flawless performance under the most intense gaming and creative sessions.
• Efficiency Redefined with 80 Plus Titanium Certification: Achieving a remarkable 94% efficiency at 50% load, this powerhouse is 80 Plus Titanium certified, translating to reduced energy wastage and lower electricity bills for the user.
• ROG Heatsinks and Axial-tech Fan for Supreme Cooling: Custom-designed heatsinks efficiently dissipate heat from critical components, while the large 135mm Axial-tech Fan with 0dB Mode ensures silent cooling under normal loads, kicking in only when necessary.
• Digital Power Control for Precision Performance: Experience accurate and stable voltage delivery with Digital Power Control, enhancing overall system performance and ensuring the longevity of your components.
• GaN MOSFETs for Next-Level Efficiency: The incorporation of GaN MOSFETs, next-gen transistors, brings faster switching and lower losses, elevating efficiency and reducing heat for a cooler and more optimized system.
• OLED Display: Real-Time Power Monitoring: Keep a vigilant eye on your system’s energy consumption with the OLED Display, providing real-time power draw monitoring and offering insights to optimize your power usage.
• Cable Clutter-Free Design with Full Modularity: The fully modular design of the Thor 1600W Titanium allows you to connect only the cables you need, ensuring a clean build and optimized airflow within your case.
• Premium Components for Unmatched Reliability: The ROG Thor 1600W Titanium boasts premium components, including 100% Japanese capacitors, ensuring unparalleled reliability and long-lasting performance for the elite gaming experience.

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2. Seasonic PSU for 4090

• Monstrous Power for High-End Systems: Introducing the Seasonic Prime TX-1600 ATX 3.0, a formidable 1600-watt power supply meticulously crafted for high-end PCs, ready to tackle cutting-edge components like the RTX 4090. This powerhouse ensures smooth, uninterrupted operation even under the most demanding workloads.
• Incredible Efficiency with 80 Plus Titanium Certification: Achieve unprecedented efficiency with the 80 Plus Titanium Certification, reaching an astounding 94% at 50% load. Save on electricity bills and minimize heat generation while maximizing the potential of your high-performance rig.
• Whisper-Quiet Cooling with Top-Quality Fan: Experience optimal airflow with the top-quality 135mm Fluid Dynamic Bearing Fan. Operate in near-silence under heavy loads while benefiting from the Fanless Mode, automatically shutting off the fan during lighter loads for quiet late-night gaming or serene work environments.
• Advanced Thermal Design for Optimal Performance: Smart airflow management and high-quality components prevent overheating, ensuring the longevity and optimal performance of your system. The Micro Tolerance Load Regulation (MTLR) guarantees rock-solid voltage stability for precise power delivery and prolonged component lifespan.
• Clean and Clutter-Free Build with Full Modular Cabling: Enhance your case’s cleanliness with full modular cabling, allowing you to connect only the necessary cables. This not only improves airflow but also simplifies maintenance, providing a clean and clutter-free build.
• Customizable Cooling with Premium Hybrid Fan Control: Take control of your system’s cooling with Premium Hybrid Fan Control, offering manual adjustment or intelligent, temperature-based automatic control for optimal cooling and noise levels.
• Future-Proof Compliance with ATX 3.0 and PCIe 5.0: Ensure your build stays ahead of the curve with compliance to the latest hardware standards – ATX 3.0 and PCIe 5.0. Future-proof your investment and embrace the evolving world of high-performance computing.
• 12-Year Warranty for Unwavering Reliability: Quality is non-negotiable with Seasonic. The Prime TX-1600 ATX 3.0 is built with premium components, including 100% Japanese capacitors, ensuring unwavering reliability and a lifespan exceeding 12 years. This commitment is backed by a 12-year warranty, providing long-lasting peace of mind.

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3. be quiet PSU for 4090

• Unleash the Beast: Introducing the be quiet! Straight Power 12, a monstrous 1500W power supply designed to conquer demanding games and creative workloads. This future-proof powerhouse ensures smooth operation with the latest hardware, including the formidable RTX 4090 and beyond, making it an ideal choice for enthusiasts seeking uncompromised performance.
• Fuel for Power-Hungry Components: With an impressive 1500W continuous power output, bid farewell to performance bottlenecks. The Straight Power 12 effortlessly fuels even the most power-hungry components, allowing you to push your system to its limits without hesitation.
• Superb Efficiency with 80 Plus Platinum Certification: Achieving up to 8% efficiency, the 80 Plus Platinum Certification not only saves you money on electricity bills but also keeps your system cool during intense workloads, ensuring optimal performance.
• Virtually Silent Operation: Experience virtually silent operation with the Silent Wings 135mm fan. The special funnel-shaped inlet delivers ample airflow while maintaining a near-silent murmur, making it perfect for late-night gaming sessions or noise-sensitive environments.
• ATX 3.0 Compatibility: Future-proof your build with ATX 3.0 compatibility, supporting the new 12VHPWR connector for next-gen PCIe 5.0 GPUs and traditional 6+2 pin connectors for current-gen cards. This versatility makes it an ideal choice for any powerful rig.
• Powerful Surge Handling: The Straight Power 12 handles power excursions with ease, even doubling its rated power for short bursts, ensuring reliable operation with demanding hardware.
• Ultimate Stability with Full Bridge LLC Technology: Enhancing efficiency, voltage regulation, and reducing ripple noise, the Full Bridge LLC Technology ensures unmatched stability, allowing your system to perform at its best consistently.
• Consistent Power Delivery with One Massive 12V Rail: With one massive 12V rail, this power supply provides consistent power delivery for even the most demanding tasks, contributing to a reliable and efficient performance.
• Long-Lasting Reliability with 105°C Japanese Capacitors: Benefit from exceptional stability, reliability, and a long lifespan with the inclusion of high-quality 105°C Japanese capacitors.
• Modular Cable Management for Clean Builds: Enjoy modular cable management, allowing you to connect only the cables you need. This not only reduces clutter but also improves airflow within your case, contributing to a clean and organized build.
• Stylish and Functional Sleeved Cables: The Straight Power 12 comes with stylish, sleeved cables, up to 100cm in length, simplifying installation and enhancing the overall aesthetic of your build.
• 10-Year Warranty for Peace of Mind: Backed by be quiet!’s commitment to quality and reliability, the Straight Power 12 comes with a 10-year warranty, providing peace of mind and assurance of its durability.

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4. GAMEMAX PSU for 4090

• Power Unleashed with 1300W Continuous Power: Meet the GAMEMAX RGB-1300, a powerhouse 1300W power supply designed to unlock the full potential of your PC. Bid farewell to performance bottlenecks and power limitations as you conquer demanding games and heavy workloads with ease.
• Incredible Efficiency with 80 Plus Platinum Certification: Boasting 80 Plus Platinum Certification, this beast achieves incredible efficiency, reaching 92% or higher under typical loads. Not only does it save you money on electricity bills, but it also minimizes heat generation, contributing to a cooler and more efficient system.
• Future-Proof with ATX 3.0 & PCIe 5.0 Compatibility: Future-proof your build with the latest standards – the RGB-1300 is ATX 3.0 & PCIe 5.0 Featuring a 12VHPWR 16-pin connector, it unleashes up to 600W for power-hungry GPUs, handling even double its rated power for short bursts. This ensures smooth operation with both current and next-gen hardware.
• Advanced Technologies for Stable Power Delivery: Benefit from advanced technologies including DC-DC Structure, Full Bridge LLC Resonance Assist, and 12V Synchronous Rectification. Together, these technologies provide rock-solid voltage stability and consistent power delivery, even under intense loads.
• Fully Modular Cable Management for a Clean Build: Experience the convenience of fully modular cable management. Connect only the cables you need, keeping your case clutter-free, maximizing airflow, and simplifying maintenance and upgrades.
• Immersive RGB Experience with Aura Sync Compatibility: Enhance your build with smart addressable RGB featuring 25 stunning lighting modes. Synchronize the RGB with your motherboard and other compatible components using Aura Sync for a truly immersive lighting experience.
• Long-Lasting Durability with 100% Japanese Capacitors: Ensure exceptional durability and a long lifespan for the power supply’s vital components, thanks to the inclusion of 100% Japanese capacitors.
• 10-Year Warranty: Backed by GAMEMAX’s commitment to quality and reliability, the RGB-1300 comes with a 10-year warranty, providing peace of mind for years to come.

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5. GIGABYTE PSU for 4090

• 1300W of Unmatched Power: The GIGABYTE GP-UD1300GM PG5 stands as a powerhouse, delivering a robust 1300W to effortlessly conquer the most demanding games, creative workloads, and cutting-edge hardware. With this unrelenting power, your high-performance PC is set to reach new heights.
• Exceptional Efficiency with 80 Plus Gold Certification: Operate with up to 90% efficiency as the GP-UD1300GM PG5 boasts an 80 Plus Gold Certification. This not only reduces energy waste but also minimizes heat generation and operating costs, providing an eco-friendly and cost-effective power solution.
• Fully Modular Design for Optimal Cable Management: Experience convenience with the fully modular design, allowing you to connect only the necessary cables. This not only minimizes clutter but also optimizes airflow and simplifies the installation process for a clean and organized build.
• Single +12V Rail for Consistent Power Delivery: Ensure consistent and stable power delivery to all components with the Single +12V Rail, optimizing performance and reliability for your high-performance PC.
• Premium Japanese Capacitors for Longevity: Benefit from exceptional durability, reliability, and unwavering performance over time, thanks to the inclusion of premium Japanese capacitors.
• Enhanced Thermal Solution with 200% Larger Heatsink: Featuring a 200% larger heatsink, the enhanced thermal solution ensures superior heat dissipation, keeping temperatures in check and extending the lifespan of critical components.
• 140mm Smart Hydraulic Bearing Fan for Optimal Cooling: Optimize airflow and maintain quiet operation, even under heavy loads, with the 140mm Smart Hydraulic Bearing Fan, ensuring your system stays cool during intense gaming sessions or resource-intensive tasks.
• Compact Design for Versatile Compatibility: Fitting effortlessly into most PC cases, the compact design of the GP-UD1300GM PG5 is ideal for both spacious and compact builds, offering versatility without compromising on power.
• Comprehensive Protection Features: Safeguard your system with a range of protections, including OVP, OPP, SCP, UVP, OCP, and OTP, preventing damage from electrical anomalies and ensuring the longevity of your components.
• Ultra Durable Construction for Longevity: Crafted with high-quality materials and meticulous engineering, the GP-UD1300GM PG5 ensures an ultra-durable construction, promising a long and reliable lifespan.
• Unrivaled Performance for a Seamless Experience: Enjoy consistent power delivery and exceptional efficiency, ensuring a seamless and satisfying experience for gamers, enthusiasts, and creative professionals The GIGABYTE GP-UD1300GM PG5 is more than a power supply; it’s a cornerstone for unleashing the full potential of your high-performance PC.

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6. Thermaltake PSU for 4090

• Unleash True Power: With a remarkable 1200W output capacity, the Toughpower GF3 is ready to conquer the most power-hungry components, ensuring your PC operates at its peak performance. This power supply is designed to be fully compatible with Intel PSDG ATX 3.0 specifications, delivering true power for your computing needs.
• Next-Gen Compatibility with PCIe 5.0: The Toughpower GF3 is ahead of the game, featuring native PCIe 12+4pin connectors to seamlessly connect with the latest PCIe 5.0 graphics cards. Whether you’re a gamer or a creative professional, this power supply is equipped to handle the demands of next-gen hardware.
• High-Quality Components for Reliability: Built with 100% high-quality Japanese 105°C/221°F capacitors, the Toughpower GF3 ensures reliability and stability over the long run. These premium components contribute to the power supply’s ability to consistently deliver efficient and dependable performance.
• Modular Design for Clean Cable Management: Embrace clean and organized cable management with the fully modular low-profile flat cables. Connect only the cables you need, minimizing clutter, optimizing airflow, and simplifying the installation process.
• Smart Zero Fan for Quiet Operation: Experience ultra-quiet operation with the Smart Zero Fan feature, which intelligently adjusts fan speed based on the system’s temperature. Enjoy a quieter computing environment without compromising on cooling efficiency.
• Detailed Specifications: The Toughpower GF3 comes with a set of specifications that ensure its capability and safety. From active power factor correction (PFC) to a 5cm fluid bearing fan for efficient cooling, this power supply meets 80 PLUS Gold efficiency standards and holds various safety approvals.
• Reliable and Durable Build: Weighing in at 4.14 pounds and featuring a sturdy black design, the Toughpower GF3 is not only powerful but also built to last. The power supply adheres to stringent safety standards, including CE, UKCA, cTUVus, TÜV, FCC, IC, BSMI, EAC, CB, BIS, and KCC certifications.
• Comprehensive Protection for Peace of Mind: Rest easy knowing that your system is protected against electrical anomalies. The Toughpower GF3 includes overcurrent protection (OCP), overvoltage protection (OVP), undervoltage protection (UVP), over-power protection (OPP), short-circuit protection (SCP), and over-temperature protection (OTP).
• 10-Year Warranty for Long-Term Confidence: Thermaltake stands behind the Toughpower GF3 with a 10-year warranty, providing you with long-term confidence and peace of mind. This reflects the brand’s commitment to delivering reliable and durable products.

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Buying Guide For The Best PSUs For 4090

1. Power Supply Wattage

The power supply wattage of a PSU for 4090 refers to its capacity to deliver electrical power to the graphics card. Higher wattage allows for stable performance, especially in demanding tasks like gaming and content creation. Common wattage ranges include 1000W to 1500W, ensuring sufficient power for the GPU. It’s crucial to match the PSU’s wattage with the system’s requirements to prevent underpowering or oversupplying, ensuring optimal performance and longevity for the graphics card.

2. Power Supply Design

The power supply design, either fully modular or semi-modular, defines the cable management flexibility of a PSU for 4090. Fully modular PSUs allow complete customization, letting users attach only the needed cables. In contrast, semi-modular ones have fixed essential cables but offer modular connections for additional components. This design choice provides users with varying degrees of cable management control, catering to different preferences and system configurations.

3. Form Factor

The form factor of a PSU for 4090 refers to its physical size and shape. Different form factors ensure compatibility with diverse PC cases. Common types include ATX, SFX, and SFX-L. ATX is standard for full-sized desktops, while SFX and SFX-L suit smaller builds. Choosing the right form factor ensures the power supply fits seamlessly into your PC case, promoting optimal airflow and efficient use of space.

4. Connector Type

The connector type of a PSU for 4090 denotes the interfaces used to link the power supply to PC components. Key connectors include 24-pin ATX, PCIe for graphics cards, CPU power connectors (4 or 8 pins), and SATA/Molex for drives. Various PSU models offer different connector configurations, ensuring compatibility with your specific PC components. Checking connector types is crucial for powering your CPU, GPU, and storage devices effectively.

5. Cooling Method

The cooling method in a PSU for 4090 is vital for temperature management and optimal performance. PSU cooling can be active (fan-based) or passive (no fan). Active cooling is common, with fans ensuring efficient heat dissipation. Modular PSUs allow for flexibility in fan control. Consider the cooling method and noise levels to tailor your PSU choice to your system’s cooling needs. Advances in technology result in quieter and more efficient cooling solutions for a range of PSU models.

6. Fan Size

The fan size in a PSU for 4090 influences cooling and noise levels. Common fan sizes include 120mm and 140mm. Larger fans can provide efficient cooling at lower RPMs, resulting in quieter operation. Opt for a fan size that suits your case dimensions and airflow requirements. Advances in fan technology, such as fluid dynamic bearings, contribute to quieter and longer-lasting performance in various PSU models.

PSU For 4090 – FAQs

Conclusion

Selecting the best PSU for the 4090 involves considering factors like power supply wattage, design modularity, form factor, connector types, and cooling methods. Assess your system’s needs and preferences to ensure a reliable and efficient power delivery solution. Be mindful of the PSU’s compatibility with your case and components. A well-chosen PSU enhances system stability and longevity, ensuring optimal performance for your 4090-powered setup.

• The ASUS ROG PSU for 4090 stands out with full modularity, 80+ Titanium certification, and premium components like Japanese capacitors. Its innovative features include ROG heatsinks for efficient cooling, a 135mm Axial-tech fan for reduced noise, and an OLED display for real-time power monitoring. With gallium nitride MOSFETs enhancing efficiency, it’s an 1600W recommendation for optimal performance with the 4090 GPU.
• The be quiet PSU for 4090 is a top choice for a 4090 GPU, delivering 80 PLUS Platinum efficiency (up to 93.8%). With ATX 3.0 support for PCIe 5.0 GPUs, this 1500W PSU handles power demands effectively. It features a virtually inaudible Silent Wings 135mm fan and a funnel-shaped fan opening for optimal airflow, making it a 1500W recommendation for optimal performance.
• GAMEMAX PSU for 4090, 80 Plus Platinum certified for high efficiency. With ATX 3.0 and PCIe 5.0 readiness, it provides stable and safe output, supporting power-hungry GPUs. Fully modular with smart ARGB, it ensures improved airflow and cable management. Backed by a 10-year warranty, it’s a reliable 1300W recommendation for powering a 4090 GPU.