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Nvidia RTX 4080 PSU Requirement – What Is Best Recommended Power Supply?

RTX 4080 is a 4000 series Nvidia graphics card that falls in the high-end category. If you have plans to build a system powered buy RTX 4080 then here is the minimum and recommended power supply requirement for any pc.

Nvidia RTX 4080 has an 8pin PCIe Connector and it falls in the high-end GPU category. It is an expensive AI-powered graphic card that is designed for performance. Powered by 16GB superfast G6X memory, this card requires a good amount of power supply. In this guide, we will discuss the minimum and recommended PSU for Nvidia RTX 4080 16GB version. This card can deliver 4K @ 240Hz and 8K @60Hz. If you are expecting max performance output from this card then the overall build must have a decent amount of power supply units. Or else the entire system will bottleneck.

How much power supply is best for Nvidia RTX 4080 16GB?


Recommended 850 Watts is required to run a GPU. If the PC has a CPU like Ryzen 9 7000 series or the latest Core i7 CPU. Along with a Liquid Cooler, approx 32GB RAM, 512/1GB SSD + Additional Hard Drive, and Case LED Fans. 850 watts is sufficient enough to power the entire system. If the PC is somewhere on a mid-level then 750 watts will still work. But there are max chances of booting issues. It is always best to go for a higher one, as it will be a one-time purchase. Also, buy Power Supply units from repeated brands to get good warranty coverage and efficient build quality. Here are some recommendations for an 850-watt PSU for Nvidia RTX 4080 16GB.

80+ Plus Gold Fully Modular with 10-Year Warranty:

  1. ASUS TUF Gaming 850W
  2. Corsair HX850 850W
  3. ADATA XPG Core Reactor 850W
  4. Gigabyte Aorus P850W
  5. MSI MPG A850GF 850W
  6. Cooler Master V850 SFX Gold 850W
  7. ANTEC HCG-850 850W
  8. Corsair RM Series RM850 850W

In case you want more help with finding out the recommended power supply for RTX Graphic cards then you can try Coolermaster’s Power Supply Calculator. The tool will help you to get recommended PSU requirements for any GPU based on build type. This includes the CPU, ram, SSD, HDD, etc. What it does not has is a Liquid Cooler option. It is still a good tool to get an estimated amount of power needed for running graphic cards. One important update Ti cards or cards made with overclocking features will require more power. Otherwise, the GPU will underperform. Hope the guide will help in understanding the type of power supply unit required to run a card like RTX 4080. You can also check our guide on RTX 4070 Power Supply requirements.