Master System ndi8-bitmbiri yachitatumakonsolo a masewera a kunyumba opangidwa ndiSega. Iyi inali mtundu watsopano waSega Mark III, yomwe ndi chachitatu muSG-1000 mndandanda wa makonsolo, yomwe idatulutsidwa kuJapan mu 1985 yokhala ndi mphamvu zatsopano za chithunzi kuposa zomwe zinali kale. Master System idayambitsidwa ku North America mu 1986, ikutsatira Europe mu 1987, kenako kuBrazil ndiKorea mu 1989. Mtundu wa Japanese wa Master System unkatulutsidwa mu 1987, womwe umawonjezera zinthu zina pa mitundu yotumizidwa (ndipo mwachindunji Mark III yoyambirira): chip FM chomwe chidalembedwa, switch yothamanga, ndi port yodalirika ya magalasi a 3D.Master System II, mtundu wotsika mtengo, unkatulutsidwa mu 1990 ku North America, Australasia ndi Europe.[1]
Mitundu yoyambirira ya Master System imagwiritsa ntchitomakanema komanso mtundu wamakadi wokhala ndi kukula kwa khadi laSega Card. Zida zimaphatikizapolight gun ndi magalasi a 3D omwe amagwira ntchito ndi masewera omwe adapangidwa mwachitsanzo. Kukhazikitsidwa kwatsopano kwa Master System II kutengedwa kwa khadi, kukonzanso kukhala dongosolo lokhala ndi makanema okha, ndipo sikugwirizana ndi magalasi a 3D.Master System idatulutsidwa kuti ikhale mpikisano ndiNintendo Entertainment System (NES). Mtsogolo mwake ndi wochepa ndipo ali ndi masewera ochepa omwe akuwonedwa bwino kuposa NES, chifukwa cha malamulo a Nintendo okhudza kulipira komwe kumafuna kuchitira ogwiritsa ntchito. Ngakhale Master System inali ndi zida zatsopano, sizinathe kuchotsa mphamvu ya Nintendo pamsika ku Japan ndi North America. Komabe, idapeza mwayi wambiri m'misika ina, kuphatikiza Europe, Brazil, South Korea ndi Australia.[2]
Master System ikuyembekezeka kuti idatulutsa pakati pa 10-13 miliyoni maphunziro padziko lonse lapansi. Kuphatikiza apo,Tectoy yatulutsa8 miliyoni mitundu ya Master System yomwe idalembedwa mu Brazil. Kukhala kwachiwiri kumakumbukira gawo lake pakukula kwaSega Genesis, komanso masewera ambiri omwe akuwonedwa bwino, makamaka muPAL (kuphatikiza PAL-M) m'dziko, koma akukhumudwitsa chifukwa cha makadi ake ochepa muNTSC m'dziko, zomwe zidakhudzidwa kwambiri ndi NES.[3]
