anyone thinking of upgrading to a 30+ series might need to look at case space.lol
https://www.techspot.com/news/86476-leaked-nvidia-geforce-rtx-3090-images-reveal-massive.html
Keep in mind that those pictures are not to the same scale (compare the length of the backplates) and also that the 3090 is a triple slot card, so will appear larger as it is closer to the camera. The 3090 will no doubt be larger, but not to the degree implied in that picture.
....and another tease from nVidia
[video=youtube;ZEzI02SKALY]https://www.youtube.com/watch?time_continue=1&v=ZEzI02SKALY[/video]