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M-DISC is a write-once optical disc technology introduced in 2009 by Millenniata, designed for archival storage with claims of up to 1000 years of longevity. The discs use a glassy carbon data layer and are compatible with standard DVD and Blu-ray formats.
Savartus's Enterprise Laser Storage 提供物理不可变光学归档库，用于安全、长期的数据保存，具有EMP防护设计、50-100年介质寿命和低功耗特点。