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Amazon.com: Western Digital 500GB 2.5" Playstation 3/Playstation 4 Hard Drive (PS3 Fat, PS3 Slim, PS3 Super Slim, PS4) : Video Games
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Amazon.com: Replacment Black White Full Housing Shell Case Cover for PS3 Playstatoin3 Slim 120G 320G Console Full Housing with Screws and Pads Buttons Set (Black Housing Kit) : Video Games
![What were these memory slots used for? Obviously memory stick duo was for psp, but what about the SD and CF ones? I didn't even know what CF was until now : What were these memory slots used for? Obviously memory stick duo was for psp, but what about the SD and CF ones? I didn't even know what CF was until now :](https://preview.redd.it/what-were-these-memory-slots-used-for-obviously-memory-v0-davm81rvadva1.jpg?auto=webp&s=6ddfb176cf0c407c77d0c552516696eeb2742769)