Best Power Supply To Run RTX 4090

The RTX 4090 draws a lot of power, with a maximum official TDP of 450W. NVIDIA recommends at least an 850W power supply to run an RTX 4090. You should buy a power supply that is more than 1000 watts so that it can handle everything such as cooler, lights, RAM, CPU, and so on. Although it is a decent starting point for many buyers

To power an RTX 4090 directly, you will require a power supply that features the new ATX 3.0/PCIe 5.0 native 16-pin power connector. It is possible to use a power supply from the previous generation, but it may not be adequate.

You should always buy a good reputable brand Power Supply(PSU) as it can burn other component of your PC hardware. And for last always make sure to connect power supply connector with GPU perfectly as it can burn your RTX 4090 GPU connector when it use with full power. Below are some suggested power supplies:

Model	Max. DC Output	Efficiency	Price
Corsair RM1000x	1000W	80 Plus Gold	Check Price
GAMEMAX 1300W	1300W	80 Plus Platinum	Check Price
Thermaltake Toughpower GF3	1000W	80 Plus Gold	Check Price
Segotep GM1250w	1250W	80 Plus Gold	Check Price
MSI MPG A1000G	1000W	80 Plus Gold	Check Price

Corsair RM1000x Shift Fully Modular ATX 3.0 Power Supply

The Corsair RM1000x is a fully modular ATX power supply that belongs to the next generation of PSUs and is fully compatible with the RTX 4090. It is a highly regarded brand in its category and offers exceptional load efficiency for your GPU.

GAMEMAX 1300W Power Supply

Gamemax is another well reputable brand. This model has a maximum capacity of 1300w and you can use this power supply if you are building PC with maximum components. It has RGBs, 80 Plus Platinum Certified and it means that single power cable can support 600w. Which means it can run RTX 4090 easily.

Thermaltake Toughpower GF3 1000W

Thermaltake Toughpower GF3 is a 1000W 80+ Gold certified PSU and have complete next generation options that can support you GPU and other hardware component.

Segotep GM1250W

Segotep is another brand used by lot of gamers. With affordable price plus including all next generation feature will help to meet all your GPU needs.

MSI MPG A1000G

MSI MPG is another latest generation power supply that you can consider for latest RTX 4090. This is 80 Plus Gold certified with Japanese 105c capacitor and with fully modular design.