Amazon.com: Retro-Bit Official Sega Saturn USB Controller Pad (Model 1) (Old Version) for Sega Genesis Mini, PC, Mac, Steam, RetroPie, Raspberry Pi - USB Port - (Slate Grey) : Video Games
ISY IAD-1021 USB Adapter, Silber | Saturn
Sega Dreamcast MicroSD Adapter + Bootable CD – TO Video Game Supply