Planning a gaming setup in a tight space starts with choosing a desk about 100...

https://source-wiki.win/index.php/How_Do_I_Plan_Space_for_a_Future_Upgrade_Without_Wasting_Half_the_Room%3F

Planning a gaming setup in a tight space starts with choosing a desk about 100 to 120 centimetres wide to fit your gear without feeling cramped. Use a monitor arm to free up desk space and keep your screen at eye level