The Sega System 1 is an 8-bit arcade system, based on a Zilog Z80 CPU.

Quick Scoop

  • Bits: 8-bit.
  • Why: Sega System 1 uses an 8-bit Z80-based architecture.
  • Era: It debuted as part of Sega’s arcade hardware line in the early 1980s.

In short, if someone asks “how many bits is the Sega System 1?” the answer is 8-bit.