Start with a 48x24-inch desk to give your gaming gear room to breathe without...

https://inchesguide.com/how-much-space-do-you-need-for-a-comfortable-home-gaming-setup-a-measurement-guide/

Start with a 48x24-inch desk to give your gaming gear room to breathe without crowding your space. Keep at least 36 inches of clearance behind your chair for easy movement