M-DISC

          The new disc, called M-DISC, stores data in the same way as CDs and DVDs - as a series of pits - but instead of the pits being burned into organic dyes using a laser as is the case with traditional optical discs.M-DISCs are a write-once technology designed as a cheap permanent backup solution that is still backwards compatible with existing DVD drives.M-DISCs offer comparable performance to standard DVDs and provide the same 4.7 GB storage capacity as a single-sided, single-layer DVD. It provide the lifetime of stored data up-to 1000 years.