Playstation 3 memory card adapter, PS2 memory cards - Newegg.com
I finally managed to get one of these for cheap, it ain't original but it has read all my memory cards so far (even the chinese ones) : r/PS3
PlayStation 3 Memory Card Adapter (reads PS and PS2 cards) - $11.99 : BargainHopping - Online Retailer, For TV Mounts Brackets. Affordable TV Mounts Brackets