The NVIDIA GeForce RTX 30 Founders Edition will have irregular-shaped PCBs, NVIDIA has teased. 12-pin and backwards-compatible connectors are inbound for Ampere cards too, as is the leaked cooler design. The RTX 3090 will have 24 GB of GDDR6X VRAM, while the RTX 3080 must make do with 10 GB of VRAM. There will be no RTX 3080 Ti for the time being, though.
https://www.notebookcheck.net/NVIDIA-GeForce-RTX-3080-24-GB-of-GDDR6X-VRAM-irregular-PCB-shape-and-12-pin-connector-confirmed-no-RTX-3080-Ti-for-the-foreseeable-future.489925.0.html