PlayStation 2 Multitap SONY Genuine Product

Thank you for looking.

SCE Sony Computer Entertainment
PlayStation2 (SCPH-70000 CB) Exclusive Multi-tap SCPH-70120

I cannot confirm operation as I no longer have a PS2 console, but it worked without issues at the time.

For slim PS2 models
Allows connection of up to 4 controllers and memory cards, enabling 4-player simultaneous play for compatible software.