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1985Sega Mark III / Master System console familyConsole family

Sega · Console family

Sega Mark III / Master System

Sega’s upgraded 8-bit platform evolved from the Japanese Mark III into the worldwide Master System.

Documented hardware recordA source-linked factual history appears below. Undocumented development, regional, and package details are left unclaimed.

The SG-1000 Mark III arrived in Japan in 1985. Sega redesigned and rebranded the hardware for its 1986 North American launch, then supported multiple international revisions and long-running licensed production.

Released
1985 · Exact day not documented
Platform / family
Third generation
Format / type
Cartridge / Sega My Card
Region
Worldwide
Hardware source ↗Suggest a correction ↗

Documented item history

Release and collector context

Source-linked facts

Sega Mark III / Master System is a Sega hardware family documented for Worldwide, with a release recorded as 1985 (the exact day and month are not documented). The catalog identifies it as Third generation hardware using Cartridge / Sega My Card. PLAYBACK connects 5 documented hardware variants to this family, including SG-1000 Mark III, Master System I, Master System — Japan, Master System II, Tectoy Master System Super Compact.

Research status
Structured source record
01

Release context

The documented release is 1985 (the exact day and month are not documented) for Worldwide on Third generation. Date precision is preserved exactly: the archive does not invent a day when the source records only a month or year.

02

Regional differences

This record is scoped to Worldwide. The linked structured source does not document a separate regional title or package difference, so PLAYBACK does not infer one.

03

Physical packaging

The physical format is documented as Cartridge / Sega My Card. The current structured source does not enumerate every insert, manual, sleeve, or bonus item, so no unverified contents are claimed.

04

Editions and revisions

5 hardware configurations are linked to this family: SG-1000 Mark III, Master System I, Master System — Japan, Master System II, Tectoy Master System Super Compact.

Research sources

  1. commons.wikimedia.org — catalog record ↗