PlayStation 4's consoles sold number has grown to 108.9 million, which keeps it on a respectable pace as PlayStation 5 approaches.
PlayStation 4 1TB Console with The Last of Us and Ghost of
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Sony's PlayStation 4 has sold 10M units worldwide - CNET
List of best-selling game consoles - Wikipedia
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Here's how PlayStation 4 sales stack up to the best-selling game
PS4 worldwide shipments top 108.9 million - Gematsu
Sony has sold over 2.1 million PlayStation 4 consoles since launch
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PS4 Has Surpassed 108 Million Units Sold