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 :
Ps3 Memory Card
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New Sony Playstation PS3 and older PS3 size connections and slots comparison - YouTube
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PlayStation 3 | Metal Gear Wiki | Fandom
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More PS3 hardware shotsPS3Blog.net
Sony PlayStation 3 Slim review: Sony PlayStation 3 Slim - CNET
How To Upgrade Hard Drive on PS3 Super Slim (12GB VERSION) - YouTube
Datel creates PS3 add-on with extra USB ports, memory slot | VG247
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Amazon.com: Playstation 3 Memory Card Adapter - Use PS2 Memory Cards on Sony PS3 : Electronics
PlayStation 3 12GB Super Slim review | Eurogamer.net
Super slim PS3 SSD upgrade? No bracket so I jammed PSone memory card under it. : r/PS3
What are these ports for? I always wondered but never actually could find out : r/PS3
PS3 Memory Card Adapter for PSone and PS2 saves drawbacks listed | Memory card adapter, Memory cards, Cards
Amazon.com: Playstation 3 Memory Card Adapter - Use PS2 Memory Cards on Sony PS3 : Electronics
SONY Playstation PS3 Memory Card Adaptor PS1 PS2 Data Transfer JPN #1544 | eBay
3 Ways to Play PS2 Games on a PS3 - wikiHow
Buy Repairs PlayStation 3 Slim Repairs: Laser Pickup Replacement Service | eStarland.com
Amazon.com: Playstation 3 Memory Card Adapter - Use PS2 Memory Cards on Sony PS3 : Electronics