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PlayStation 4 Slim Optical Drive: Replacement Disc Drive
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PS4 Slim Already Out in the Wild, Ahead of Expected September Announcement - AusGamers.com
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New PS4 Slim confirmed as real, gets unboxed
Here's everything we know about PS4 Slim, and an unboxing video | GamesRadar+
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PS4 Slim: Everything You Should Know About the New PlayStation 4