3-1/2" Rewritable Optical Disks provide up to 230MB of storage. Get maximum performance and meet the demands of any operating environment. Ideal for graphics, desktop publishing, medical imaging, multimedia creations, routine system backup and more. These high-capacity disks feature a hard-coated, wear resistant media surface for long-lasting dependability. Their superior cartridge case design safeguards data integrity. And they meet or exceed ISO and other applicable industry standards. Readable in all ISO standard drives rated 2X or higher. Certified 100 percent error-free.