A 3.5" disc drive. 80 tracks and 1.4MB.
Sold as : * '''M1/- S''' Single 3.5" drive with controller.* '''M1/D- Z''' with Single 3.5" drive without controller and two drives.* '''M1-ZD''' without controller as second Double 3.5" drivewith controller.
The disc drive also was available as an extended version:
