Start your gaming setup with a desk around 100 to 120 centimetres wide to fit...

https://www.echobookmarks.win/planning-a-gaming-setup-in-a-small-space-starts-with-choosing-a-desk-about-100-102

Start your gaming setup with a desk around 100 to 120 centimetres wide to fit your essentials without crowding. Use a monitor arm to free up surface space and keep screens at eye level