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https://www.tweaktown.com/news/103202/nvidia-prototype-pcbs-for-rtx-4090-5090-had-4-16-pin-connectors-up-to-2400w-of-power/index.html
NVIDIA prototype PCBs for RTX 4090, RTX 5090 had 4 x 16-pin connectors: up to 2400W of power
TL;DR: NVIDIA’s GeForce RTX 5090 graphics card is extremely power-hungry, featuring prototypes with 4 x 16-pin power connectors and up to 2400W power delivery. These prototypes, including the AD102 “Ada Lovelace,” were used for testing before…