A 48x24 desk offers just enough space for your 27-inch monitor and gaming gear...

https://www.cast-bookmarks.win/a-well-planned-gaming-setup-starts-with-the-right-dimensions-a-48x24-inch-desk

A 48x24 desk offers just enough space for your 27-inch monitor and gaming gear without feeling cramped. Keeping at least 36 inches clearance behind your chair means easy movement and comfort during long sessions