M-DISC is an archival-quality storage solution that preserves photos, videos, music, and documents for 1,000 years or more. Unlike hard drives, flash drives, and other writable media, that can lose data, M-DISC has been designed to protect your information from degradation and loss for centuries. 4.7 GB -M-DISC DVDs are an economical, and easy-to-use entry into the world of personal archiving. Enjoy the peace-of-mind that comes from protecting your treasured memories against loss. MDISC is forever storage.