Classic Game Room reviews the 6 button Sega Genesis controller MK-1470 and renames it the MK-1470X because there are two different yet similar controllers with the exact same model numbers!! The MK1470 Sega Genesis (Sega Mega Drive) controller has a cheap build quality compared to the original Sega Genesis controllers and rattles like crazy because of loose construction. This X model of the 1470 has an odd color scheme and looks a bit like the original 3-button Genesis controller but feels dirt cheap compared to its siblings.