Microsoft has released four generations of the Xbox since its first console in 2001.
- Xbox (released 2001, discontinued 2006)
- Xbox 360 (released 2005, discontinued 2016)
- Xbox One (released 2013, discontinued 2020)
- Xbox Gen 9 (Xbox Series X/Series S) (released 2020)
Microsoft has also developed consoles that were later scrapped or cancelled:
- Xbox Prototype (circa 2000)
- Xbox Watch (circa 2013)