The NVIDIA GeForce RTX 4090 is a high performance graphics card that requires adequate power in order to render extremely detailed graphics for today's games.
Best Power Supply for Your NVIDIA RTX 4090 Graphics Card: Do you need ATX 3.0?
Best PSU for RTX 4090 in 2023: High-wattage power supplies
Nvidia RTX 4090 officially asks for 850W, but your PC may need more
FSP's 2500W Power Supply Has Enough Juice To Feed Four RTX 4090
Nvidia RTX 4080 Super vs RTX 4090 - are they close? - PC Guide
What power supply do you need for the RTX 4090 and RTX 4080?
Adata's 1600W PSU Powers Four GeForce RTX 4090 Graphics Cards
Best PSUs for the RTX 4090 - PC Guide
Best power supplies for RTX 4090 in 2024
NVIDIA GeForce RTX 4090 Specs