A gaming setup feels just right when your desk fits the gear without crowding...

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

A gaming setup feels just right when your desk fits the gear without crowding the room. A 48x24-inch desk gives you enough space for a 27-inch monitor and accessories, while keeping at least 36 inches of clearance behind your chair lets you move freely