Microsoft

Xbox

The Xbox launched on November 15th, 2001.*22  Over its 5 year lifespan the system sold more than 24 million units.*23 Production was discontinued in August of 2005.*24 

Xbox 360

The 360 was officially announced on May 12th, 2005 and released in North America on November 22, 2005.*25  With worldwide sales of over 80 million systems it was far more successful than the original Xbox. Production of Xbox 360 hardware continued until April of 2016 making the Xbox 360 one of the longest produced and supported consoles around.*26  Over its lifetime is saw 3 major versions the original 360 the 360 Elite and the 360 Slim.  All contained the same base hardware with slight modifications in storage and form factor.

Xbox One

The Xbox One was announced on May 21, 2013 and released on November 22nd of the same year.*27  It is currently still under production.  Microsoft has withheld official sales totals but Electronic Arts(A major software publisher) estimates that is has sold in excess of 19 million systems.*28  In June of 2016 at E3 Microsoft announced 2 new models of the Xbox One.  The Xbox One S to be released in August of 2016 and the Xbox One “Project Scorpio” to be released in Fall of 2017. *29