The Sega Master System (SMS) is an 8-bit video game console released by Sega. Worldwide thirteen million copies of this machine have been sold. It's based on the SG-1000 Mark III (1985). The SMS features a Yamaha sound card.
The Master System is a third-generation 8-bit cartridge-based video game console that was manufactured and released by Sega in 1986 in North America, and in 1987 in Europe. Photo by fujoshi, found on Flickr.