RITEK M-DISC is the new standard in digital storage media. M-DISC is backed by the technology and specifications of Millenniata U.S.A. The M-DISC technology allows for saving and protecting the data by etching them into a rock-like material, which is proven to withstand for up to 1,000 years! Now, you can rest assured and never worry to lose your valuable information with M-DISC. Features: Stability: M-DISC uses a patented rock-like recording surface instead of traditional organic dye to etch your records. Longevity: Up to 1,000 years *Recognized ISO/IEC 10995 International Standard, verifying Millenniata’s claim that the M-DISC DVD lasts in excess of 1,000 years. (in the normal usage environment 25C/ RH50%) Engrave in Stone: When the data layer is written by a focused laser, the intense heat generated causes the innermost layers to melt and to move away from the laser spot, creating a hole in the data layer.;