| Release date | 1984 |
| Autres Modeles | MZ-811 without tape drive , MZ-821 with built-in 1200-baud tape drive , MZ-831 with tape drive and built-in 4-colour printer-plotter. |
| CPU | Z80A at 3.5 MHz |
| Memory | 64 Ko RAM , 16 Ko ROM |
| Display | 320 x 200 (4 colors) |
| Sound | Texas Instruments SN76489 |
| Dimensions | 44 cm x 30.5 cm x 10.9 cm |
| Weight | 4.30 kg |
