According to reports, NVIDIA is planning to bring the RTX 3090 Ti to market soon. Reportedly, the card will arrive with a GA102-250 GPU, 21 Gbps VRAM and a 450 W TDP. The RTX 3090 Ti may sport a new 16-pin power connector, too.
https://www.notebookcheck.net/NVIDIA-GeForce-RTX-3090-Ti-rumours-emerge-with-a-monster-450-W-TDP-and-21-Gbps-VRAM.570126.0.html