Overall PlayStation 4 sells 53.4 million units as of January 1st 2017
Sony announced some sales figures for the PlayStation 4's during the last holiday season. The PlayStation 4 overall sold 6.2 million units from November 21st 2016 to the First of January 2017. The figures provided by Sony don't state how individual versions of the console performed.
Over the same time period 50.3 million copies of games for the system have been sold. These numbers account for all avenues of distribution, physical and digital. Uncharted 4: A Thief's End takes the spotlight with 8.7 million copies sold since its launch in March last year.