Planning a gaming setup in a tight space means choosing a desk about 100 to 120...

https://lukaszaph075.almoheet-travel.com/how-to-make-a-small-gaming-setup-comfortable-not-cramped

Planning a gaming setup in a tight space means choosing a desk about 100 to 120 centimetres wide to fit your gear without crowding. Use a monitor arm to free up surface area and keep your screen at eye level