I ran 3x screens for years now in various setups. Switched to a single ultrawide and never looked back. Personally, I would not want to sit 3 feet from a 40" or bigger screen.
I have yet to play a game that does not support the ultrawide.
https://www.dell.com/en-us/shop/alie...or-accessories
https://www.dell.com/en-us/shop/alie...or-accessories