TDK high density rewritable Magneto-Optical Disks (MO) offer tremendous data storage capacity. In fact, these precision-crafted, highly reliable disks provide you with far more capacity than floppy disks, yet have roughly the same dimensions. Designed to meet the needs of users working with the latest software and documents incorporating sophisticated features and graphics, TDK MO disks let you store more essential information, back up more applications and software, and do it all with greater security than ever before.