Start by measuring your available space and aim for a desk about 100 to 120...

https://highstylife.com/cable-clips-vs-cable-sleeves-which-looks-cleaner-for-desk-cable-management/

Start by measuring your available space and aim for a desk about 100 to 120 centimetres wide to fit your gear comfortably. Use a monitor arm to free up desk surface and improve screen positioning