Xbox Series X|S
From Halopedia, the Halo wiki
Xbox Series X|S is the collective name for Microsoft's 9th generation game console lineup, which succeeds the Xbox One family of consoles. All Halo games and apps available on the Xbox One are also available on the console, via backward compatibility.
The Xbox Series X was the first console of the lineup to be officially revealed. It was unveiled at the 2019 Game Awards on December 12, 2019. During development, the Xbox Series X was codenamed Project Scarlett.
Xbox Series X
Xbox Series S