Ask for Digital Media Shredder - magnetic edition for permanently removing data on various magnetic disk storage system such as removable hard drives, ZIP, JAZ and REV type disks.

The typical secondary storage medium of a microcomputer is the floppy and hard disks. A floppy disk, or diskette, is a thin circular piece of flexible polyester coated with a magnetic material.

Core memory a type of memory that stores information on magnetically charged doughnut shaped cores. mass storage is currently mostly on magnetic disk drum or taoe rather than core.