PlayStation 4 Digital Game Sales Overtake Physical. That's a First
Nintendo Switch Sales Pass 100 Million, On Path to Beat PS4 Next
Sony's PlayStation 4 hits 100M shipments faster than any other console - CNET
Sony Reveals PlayStation 5 Has Surpassed 40 Million Units Sold - Game Informer
PS4 hits insane sales milestone with Xbox One still far behind - Dexerto
Sony will have sold over 100 million PlayStation 4 consoles by the time the PS5 is released - News
PS4: Sales surpass 100 million, Sony says, topping first PlayStation
PlayStation 5 gaining momentum with over 50 million units sold — two days ahead of PS4
Japanese Sales Charts: PS4 Tops Hardware as Lifetime Numbers Pass Wii U
PS4 sales reach 91.6 million worldwide
PS4 becomes fastest home console to reach 100 million sales