Amazon.com: Mcbazel Playstation 2 Controller to USB Adapter for PC or Playstation 3 Converter Cable for Sony DualShock PS2 PS3 Controllers (NOT Compatible with Dancing Mat Guitar Hero) : Video Games
Which one do you think it's the best option to play PS1, PS2 and PS3 games? : r/PS3
Playstation 3 Backward Compatibility (PS2 Playable)