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All issuesVolume 328, Issue 2IT NewsTechnology

Ceramic-Based Startup Wants To Put More Than 100,000Tb In A 42U Rack By 2030 0 But It Will Take Almost 50 Years To Fill It Up

techradar.pro, Wednesday, July 9th, 2025

Cerabyte wants to kill off magnetic tape by 2030 using ceramic lasers and some wild physics

Munich-based startup Cerabyte is developing what it claims could become a disruptive alternative to magnetic tape in archival data storage.

Using femtosecond lasers to etch data onto ceramic layers within glass tablets, the company envisions racks holding more than 100 petabytes (100,000TB) of data by the end of the decade.

Yet despite these bold goals, practical constraints mean it may take decades before such capacity sees real-world usage.

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