DESC: Fujitsu Magneto-Optical (MO) disks are ideal for backup, archiving, data acquisition, and any office, home, or industry application that requires high capacity, reliable, removable storage. Fujitsu MO disks are extremely rugged and highly tolerant of the problems that normally plague removable hard disk technology. Fujitsu MO disks are far less susceptible to data loss as a result of shock, vibration, moisture, dust and magnetic fields.