There has been seven PlayStation systems released to consumers in the past 25 years or so and the 8th one it’s on it’s way in late 2020.

PlayStation (1994)

PlayStation 2 (2000)

PlayStation Portable (2004)

PlayStation 3 (2006)

PlayStation Vita (2011)

PlayStation Vita TV (2013)

PlayStation 4 (2013)

PlayStation 5 (2020)