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

https://emmasnewjournal.talesignal.com/posts/what-measurements-should-i-write-down-before-ordering-a-desk-online

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