PS4 Pro was released on November 10, 2017.
Sony announced the new PS4 slim on September 7th, 2013.
The PlayStation 3 was released on November 17, 2006 in Japan, November 22, 2006 in North America and Europe, and November 29, 2006 in Australia.
Ps1 was released in Japan on December 3, 1994, and in North America on December 17, 1994.
Sony announced the PlayStation 5 at their E3 press conference on June 12th, 2019.
Sony hasn’t released any official information on the weight of the PS5, but it is likely to be significantly lighter than the PS4.
The PlayStation 2 was released on November 17, 2000 in Japan, November 19, 2000 in North America and December 3, 2000 in Europe.
The Xbox 360 released on November 22, 2005 in the United States.
The 360 released on November 15, 2005 in North America and Europe.
PS Vita was released in Japan on December 17, 2011, in North America on February 22, 2012, and in Europe on February 24, 2012.
Nintendo does not own Sega. Sega is a separate company that Nintendo has invested in.