Chinese engineers develop 200TB optical disc — 100-layer super DVD could be the first step towards exabyte data storage but challenges still exist

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In an effort to meet the ever-growing data demands, a team of Chinese photonic engineers has developed a high-capacity optical disc capable of holding up to 200TB of data. The team’s groundbreaking work, published in Nature, has the potential to revolutionize storage technologies, particularly in data centers where space is at a premium.

Traditional DVDs, used for storing movies and data, have a capacity of 4.5GB – enough to store approximately two hours of video. Data is written onto the disc’s surface using a laser to etch a series of ones and zeros. However, Tech Xplore reports that this new technology developed by the Chinese team takes an entirely different approach.



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Chinese engineers develop 200TB optical disc — 100-layer super DVD could be the first step towards exabyte data storage but challenges still exist

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