Best PSU for AMD Ryzen 7 7800X3D and GeForce RTX 4090

The AMD Ryzen 7 7800X3D and NVIDIA’s GeForce RTX 4090 are both flagship CPU and GPU on the market. Are you looking for the best PSU for your AMD Ryzen 7 7800X and GeForce RTX 4090 combo ? Whether you are a hardcore gamer, an enthusiast content creator, or a professional who wants the most reliable power source for his system, this article will help you pick the right PSU to meet your needs. With so many models available in the market, it can be hard to decide which one to buy. To make things easier, we have reviewed some of the best PSU models for the AMD Ryzen 7 7800X and GeForce RTX 4090. The AMD Ryzen 7 7800X3D has a TDP of 120W and the GeForce RTX 4090 has a TGP of 450W, making a total of 570W. That means that you’ll need to find a PSU with at least 850W of power output. We have reviewed and tested latest PSUs, and below are top recommended ones for AMD Ryzen 7 7800X3D and GeForce RTX 4090 combo:

ASUS ROG Thor 1000W Platinum II 80 PLUS Modular PSU – Check Price at Amazon/B&H Photo Video/Newegg

The ASUS’s ROG Thor 1000W Platinum II is designed to power the best high-end gaming PCs, currently one of the best PSUs for AMD Ryzen 7 7800X3D and GeForce RTX 4090. ROG heatsinks cover critical components to deliver lower temperatures and reduce noise. The large OLED display monitors power draw in real time. This is the perfect pairing with powerful ROG motherboards and graphics cards. ROG Thor 1000W Platinum II an excellent power supply for gaming and high-end systems. It provides reliable, stable power with low noise and high efficiency levels that allow users to imagine the best performance. The unique design and RGB lighting make it a great addition to any custom gaming setup. The price tag may seem high but it is worth it for the quality and reliability you get. Overall, the ROG Thor 1000W Platinum II 80 PLUS Modular Power Supply is an excellent product that offers gamers and hardcore enthusiasts reliable performance and peace of mind.

ASUS ROG Thor 1000W Platinum II 80 PLUS Modular PSU Features:

• Lambda A++ Certification confirms the latest Thor wields menacing power in absolute stealth.
• ROG heatsinks cover critical components, delivering lower temperatures and reduced noise.
• A 135mm Axial-tech fan with PWM control delivers lower noise and keeps thermals in check.
• Built with 100% Japanese capacitors and other premium components to achieve 80 Plus Platinum Certification.
• OLED display monitors power draw in real time.
• AC Input Range: 100-240Vac

Pros:	Cons:
Increased efficiency and cooling Improved reliability Higher wattage capabilities Modular design for easy installation A sleek design that looks great in any build	High price tag Possible compatibility issues in some builds

Corsair 1200W HX Series HX1200 80 PLUS Platinum Modular PSU – Check Price at Amazon/B&H Photo Video/Newegg

The Corsair 1200W HX Series HX1200 80 PLUS Platinum Modular PSU is an excellent power supply unit designed to meet the high power needs of gaming and other enthusiast-level PC builds. It is highly efficient, achieving 80 PLUS certification at up to 94% efficiency. This power supply also boasts high wattage capabilities, allowing it to easily power even the most demanding gaming rigs. In terms of performance, this power supply has a stable voltage regulation, allowing steady and reliable power feeds to your components. It also features a semi-modular design that allows you to remove any unnecessary cables, resulting in improved airflow inside your PC case. Additionally, the HX1200 features quiet operation, producing minimal noise compared to other models. It is also backed by a comprehensive warranty to ensure you are always covered should any issues arise. Overall, the HX1200 is an excellent power supply that offers both performance and reliability, making it a great choice for almost any enthusiast gamer or workstation user.

Corsair 1200W HX Series HX1200 80 PLUS Platinum Modular Power Supply Features:

• 80 Plus Platinum: Runs cooler and uses less power than less efficient power supplies
• Fully Modular: Allows user to only use the cables they need for a cleaner looking build with better airflow
• 10-year warranty: Backed by Corsair’s legendary technical support and customer service
• 135mm FDB fan with Zero RPM mode: Virtually silent operation at low loads. 8 PATA connector
• Plus12V Rail Switch: Gives the user the choice of a single plus12V rail or multiple plus12V rails

Pros:	Cons:
Highly efficient, up to 92% efficiency Fully modular cabling system Quiet operation due to silent fan technology A sleek design that looks great in any build	Costly compared to other power supplies on the market Limited wattage options available

Corsair RMX Series (2021) RM1000x Fully Modular PSU – Check Price at Amazon/B&H Photo Video/Newegg

 

The Corsair RM1000x 1000W 80 PLUS Gold Modular Power Supply is an excellent choice for those looking for a quality power supply that offers impressive performance and reliability. With a peak output of 1000W, this power supply can easily handle your gaming and streaming needs, making sure it can handle the most demanding applications. It also has low-noise capacitors to help reduce fan noise and as it is fully modular, you can choose which cables you need and don’t need. The build quality is great and the reliability is top-notch, meaning you can expect many years of service from this power supply. The RM1000x is also highly efficient, thanks to its 80 Plus Gold certification and Zero RPM Fan mode, meaning you will save energy and money in the long-run. Installation is incredibly simple with Corsair’s new ‘plug and play’ technology, allowing you to get your system up and running quickly and with minimal fuss. Overall, the Corsair RMX Series (2021) RM1000x Fully Modular PSU is a great choice for anyone in the market for a reliable and efficient power supply.

Corsair RMX Series (2021) RM1000x Fully Modular PSU Features:

• Fully modular, so you only connect the cables that your system needs.
• A 135mm ML fan utilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability.
• EPS12V connector for compatibility with modern graphics cards and motherboards.
• 100% Industrial-grade, 105°C rated Japanese capacitors ensure unwavering power and reliability.
• Supports Modern Standby sleep mode for extremely fast wake-from-sleep times and better low-load efficiency.

Pros:	Cons:
High efficiency rating Quality components Modular design for easy cable management Stable power delivery Good value for the price	Limited connectors in some configurations

MSI MPG A1000G 1000W 80 PLUS Gold Modular PSU – Check Price at Amazon/B&H Photo Video/Newegg

 

The MSI MPG A1000G 1000W 80 PLUS Gold Modular PSU is a reliable power supply unit that offers high efficiency and quality, another great PSU for Ryzen 7 7800X3D and RTX 4090 PC build. It supports NVIDIA GeForce RTX 40 Series graphics cards and has a full modular design with flat cables for easy cable management. The MPG A1000G has a good overall performance with stable voltages and low ripple. It also has a top-notch build quality with 100% Japanese 105°C capacitors and a 135mm FDB fan that can stop spinning when TDP is below 40%. It also has a ten-year warranty, which shows MSI’s confidence in its product. It also has a Cybenetics Standard++ rating in noise, meaning that it is relatively quiet with an average noise output of 30-35 dBA. It also has industrial-level protection features such as OVP, OCP, OPP, OTP, SCP and UVP. The MPG A1000G is compatible with most PC components that require a high-wattage PSU, depending on the power consumption and connectors. Overall, the MPG A1000G is an excellent PSU that offers high efficiency and quality for demanding users who need a lot of power for their systems.

MSI MPG A1000G 1000W 80 PLUS Gold Modular PSU Features:

• 80 Plus Platinum: Runs cooler and uses less power than less efficient power supplies
• Fully Modular: Allows user to only use the cables they need for a cleaner looking build with better airflow
• 10-year warranty: Backed by Corsair’s legendary technical support and customer service
• 135mm FDB fan with Zero RPM mode: Virtually silent operation at low loads. 8 PATA connector
• Plus12V Rail Switch: Gives the user the choice of a single plus12V rail or multiple plus12V rails

Pros:	Cons:
High efficiency Excellent power quality Low-noise operation Low-voltage operation Flexible cable management	Potential compatibility issues with certain hardware

CORSAIR RM1000e Fully Modular Low-Noise ATX Power Supply – Check Price at Amazon US,UK,CA/Newegg

 

The CORSAIR RM1000e Fully Modular Low-Noise ATX Power Supply is latest high-end PSU for gaming PCs. CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with 80 PLUS Gold efficiency to your PC. With ATX 3.0 and PCIe 5.0 compliance and an array of PCIe 8-pin power connectors, RMe PSUs have the connections needed to power today’s demanding PC hardware. Industrial-grade, 105°C-rated capacitors deliver superb electrical performance, backed by a seven-year warranty. Wake your computer faster and consume less power with support for the new Modern Standby sleep mode. Fully modular cables make PC builds easy, as you connect only the cables your system requires. With a 140mm-long casing that works with nearly any modern case, the CORSAIR RMe Series is steady power for your system.

CORSAIR RM1000e Fully Modular Low-Noise ATX Power Supply Features:

• Fully Modular PSU: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system build needs.
• Intel ATX 3.0 Certified: Compliant with the ATX 3.0 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes.
• Keeps Quiet: A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load.
• 105°C-Rated Capacitors: Delivers steady, reliable power and dependable electrical performance.
• Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.

Pros:	Cons:
Fully modular Increased efficiency and cooling Improved reliability Compact Design Plenty of Cables Included Very quiet 7-year warranty PCIe Gen 5	Possible compatibility issues in some builds