Master System to MarkIII Converter

PCB fit on original cart case

Converter with Master System game on MarkIII console

*** Attention : It only can play over 95% games on MarkIII console

*** Some games can't play, not because of converter problem. It is because SMS and MarkIII signal different.

*** If you want to play 100%, then you need SMS Pro. Because SMS Pro is suitable for both SMS and MarkIII.

*** Take care, some sms/markIII can't run cheat code function well. But game will run well for sure.