PlayStation 3 Memory Card Adapter (reads PS and PS2 cards) - $11.99 : BargainHopping - Online Retailer, For TV Mounts Brackets. Affordable TV Mounts Brackets
Amazon.com: PS3 Memory Card Adaptor : Video Games
Buy PlayStation 3 PS3 Memory Card Adapter by Sony | eStarland.com
Finally....got it..third party memory card adapter.... : r/PS3
PS2 GameStop Sony PlayStation 2 - 4 Controller Multi-Player Adapter Memory Card | eBay
What happens if the PS2 to PS3 memory card adapter is connected to a PS3 that's NOT backwards compatible? : r/PS3