The first model Famicom (Japanese NES) had RF output only, but later toploader and Twin Famicom models had RCA connectors. The first model NES and in the US had

The first model Famicom (Japanese NES) had RF output only, but later toploader and Twin Famicom models had RCA connectors. The first model NES and in the US had RCA connectors, and the Mark III/Master system was the first Sega console to have them (although I think the breakout cable for them was an optional accessory).