[50 Year Archival Grade High-Capacity 128GB Optical Discs] This Quad Layer BD-R XL media offers up to 128GB of storage space to archive/back-up your videos, music, photos, files and more for at least 50 years, ensuring your content is available for a long time. | [Made in Japan + Store Large files] These Quad Layer BD-R XL 128GB BD-R XL media are manufactured in Japan by one of the largest and most trusted Blu-ray disc developers, ensuring superior quality and functionality. Even though BDXL discs are divided into 4 separate recording layers of approx. 32GB each, you can still store a single file that is larger than a single layer capacity. These discs can accommodate single files as large as 128GB. | [COLD DATA Storage and ESG] Most of the content stored on your computer’s hard drive(s) are rarely if ever viewed and although important, not necessary for immediate recall. Instead, backup and archive onto 128GB BDXL discs for cold storage and always have available while freeing up valuable memory for new content. Plus, Cold Data storage follows ESG guidelines, for a more environmentally and socially conscience method of storage. | [Immutable content with Excellent Compatibility and Quality] The content stored on this media cannot be deleted, altered, or changed, ensuring it can never be corrupted or manipulated. Plus, it complies with the Blu-ray disc recordable format BDXL Standard to ensure excellent compatibility and longevity. In utilizing a protective super-hard coating, each disc is enabled to prevent scratches, resists fingerprints and reduces dust build-up. | [Fewer Discs] Just one BDXL 128GB disc can replace more than 180 CD-R or 27 DVD-R or 5 (25GB) BD-R discs. Plus, it’s specially designed to store large capacity 4K Ultra Hi-Def video and audio files. Meaning users need fewer discs when archiving/backing-up, recording or duplicating Ultra high-definition digital recordings. | [Weather Resistant] These are resistant to weather and climate that could destroy other storage formats, like water and UV light. These BDXL 128GB discs can withstand UV sunlight that would destroy standard DVD discs as well as being water resistant that would destroy your typical hard drives and tapes. | [Blu-ray Laser Technology] These disc use blue-violet laser technology for reading and writing data. This technology delivers amazing sound quality, vivid colors, superior resolution and great contrast.