https://wccftech.com/nvidia-geforce-rtx-30-series-ampere-gaming-graphics-cards-12-pin-power-connector/

A render of NVIDIA's upcoming GeForce RTX 30 series Ampere gaming graphics cards in its reference Founders Edition design. (Image via Reddit User u/dertpert88)

Last month, we heard a rumor regarding NVIDIA's GeForce RTX 30 series graphics cards making use of a brand new power interface to facilitate the higher power draw on the flagship gaming graphics cards. Now, this can be confirmed as one major PSU OEM has posted pictures of the NVIDIA 12-pin PCIe Molex power connector adapter.