Best PSU for GeForce RTX 4090
The NVIDIA GeForce RTX 4090 is NVIDIA’s flagship Ada Lovelace desktop graphics card released in late 2022. As we all know, NVDIA’s GeForce RTX 4090 GPU is currently best GPU for gaming. The TDP for GeForce RTX 4090 is 450W, so recommended PSU for it is over 1000W. We have tested and reviewed latest PSUs, and below are top recommended ones for GeForce RTX 4090:
CORSAIR HX Series HX1200 80 PLUS PLATINUM Full Modular Power Supply – Check Price at Amazon/Newegg
The CORSAIR HX Series HX1200 80 PLUS PLATINUM PSU is CORSAIR’s one of the high-end PSUs feature with 1200W, it has extremely tight voltages and virtually silent operation. CORSAIR HX1200 is a 1200W PSU, is enough for most PC build for enthusiasts who demand high performance, currently best PSU for GeForce RTX 4090. Since the fan doesn’t turn on until it’s needed, you’ll enjoy virtually silent operation at low and medium loads. CORSAIR HX series is very easy Installation. The fully modular DC cables make builds and upgrades easy, with clean, great-looking results.
CORSAIR HX1200 80 PLUS PLATINUM 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
ASUS ROG Thor 1000W Platinum II Fully Modular Power Supply – Check Price at Amazon/B&H Photo Video/Newegg
The ASUS ROG Thor II 1000W 80 Plus Platinum PSU is ASUS’s high-end PSU feature with 1000W, an updated version of ROG Thor 1000W. Currently one of the best rated 1000W PSUs for GeForce RTX 4090. This PSU is enough for most PC build for enthusiasts who demand aesthetic excellence and performance perfection. With a LAMBDA-A++ certification by Cybenetics, this PSU is the quietest 1000W PSU available on the market. The integrated ROG heatsinks keep your system running cool even under heavy use, so that there is no stopping you from winning. It also features an integrated OLED panel, offering a real-time display of its power draw, you can see at a glance how much juice your rig is using. It comes with 80+ Platinum certification, meaning it is highly energy-efficient.
ASUS ROG Thor II 1000W 80 Plus Platinum PSU Features:
- 1000W Single +12V Rail
- 135mm Cooling Fan
- Intel ATX 12V Specification
- 9 x PCIe Connectors
- 12 x SATA Connectors
- 6 4-Pin Peripheral Connectors
- Sleeved Cables
- RGB Lighting
- Built-In OLED Display
CORSAIR RMx Series (2021) RM1000x 80 PLUS GOLD Full Modular Power Supply – Check Price at Amazon/Newegg
The CORSAIR RMx Series 2021 RM1000x 1000W 80 Plus Gold PSU is one of the best rated 1000W PSUs on the market, a great 1000W for GeForce RTX 4090 GPU. It built with the highest quality components to deliver 80 PLUS Gold efficient power to your PC. With upwards of 90% peak efficiency, RM1000x produces less noise and less heat, which means less time worrying and more time gaming. The fully modular design and low noise levels will ensure the system will suit a wide audience of demanding tech builder. Overall, CORSAIR RMx Series (2021) RM1000x PSU is one of the most worth buying PSUs today.
CORSAIR RMx Series 2021 RM1000x 1000W 80 Plus Gold 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
EVGA SuperNOVA 1000 G6 80 Plus Gold 1000W Fully Modular Power Supply – Check Price at Amazon/Newegg
The EVGA SuperNOVA 1000 G6 80 Plus Gold 1000W PSU is a high-end 1000W PSU offers top performance while keeping noise output low. It features a new platform design, using new materials and better layout placement to achieve greater performance with extremely low ripple and noise in an even smaller chassis. EVGA 1000 G6 is worthy of your attention if you seek a powerful and compact power supply for a potent gaming system. The improved efficiency and voltage regulation minimizes heat, allowing the SuperNOVA G6 to be EVGA’s shortest ATX Gold-certified power supply.
EVGA SuperNOVA 1000 G6 80 Plus Gold 1000W PSU Features:
- 80 PLUS Gold certified, with 91% efficiency or higher under typical loads
- 100% Japanese Capacitors, Fully Modular to reduce clutter and improve airflow
- Full-bridge LLC Resonant Converter and DC-DC design leads to tight voltage regulation and extremely low ripple & noi
- Fluid Dynamic Bearing Fan and EVGA ECO Mode for ultra-quiet operation and increased lifespan
Conclusion:
In summary, the NVIDIA GeForce RTX 4090 is a powerful flagship GPU that demands a high-wattage power supply to unlock its full potential. Based on our testing and analysis, the top PSU recommendations for the RTX 4090 are the CORSAIR HX1200, ASUS ROG Thor II 1000W, CORSAIR RM1000x, and EVGA SuperNOVA 1000 G6. These units provide excellent power delivery, efficiency, modularity, and quiet operation thanks to quality components and advanced technologies. With power outputs of 1000W or greater and 80+ Gold/Platinum certifications, they have sufficient wattage overhead and stability for peak gaming demands. While the higher-end options like Corsair HX1200 and ASUS ROG Thor II cost more, they offer ultra-silent operation and premium aesthetics through RGB lighting. Overall, investing in one of these PSUs will provide reliable, long-term power to maximize your GeForce RTX 4090.