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PlayStation 4 - Wikipedia
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Amazon.com: PlayStation 4 500GB Console [Old Model][Discontinued] : Video Games
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History Of PlayStation: PS1, PS2, PS3, PS4, PS5 - Launch Prices, Specs, Games - PlayStation Universe
Gold PS4 Slim to Launch at Reduced Price Through E3 2017 | Push Square
Xbox One and PS4 Launch Price - Compared to the classics | Trusted Reviews
PlayStation 4 Will Launch Nov. 15 in U.S., Nov. 29 in Europe | WIRED
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:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/16845825/ps4.0.jpg "So how much does it cost to develop for PlayStation 4? - Polygon")
So how much does it cost to develop for PlayStation 4? - Polygon
PS4 Slim officially announced - Sony reveals price and release date | Gaming | Entertainment | Express.co.uk
