NVIDIA has confirmed that it will be hosting a GeForce Special Event, but not on August 31. Instead, the event will occur on September 1 and will "highlight the company's latest innovations in gaming and graphics". According to a new rumour, AIB cards like the ASUS ROG Strix GeForce RTX 3080 Ti will be available from launch, too.
https://www.notebookcheck.net/NVIDIA-is-hosting-a-GeForce-Special-Event-on-September-1-and-AIB-cards-will-supposedly-be-available-at-launch.485182.0.html