The NVIDIA GeForce RTX 3090 may have a 350 W TDP but it can consume nearly 60% more - NotebookCheck.net News
ArtStation - Nvidia RXT 3090 Object 3D | Resources
Is there a computer motherboard that can support at least 4 RTX 3090 graphics cards plus 128 or more GB of RAM and with AMD X570 chipset, as well as being pretty