by Fernando Ferreira
DNA as Data Storage: When Biology Meets Information Technology
As global data volumes continue to grow, traditional storage technologies are approaching their limits. Data centers consume massive amounts of energy, storage media degrade over time, and long-term archival remains expensive and fragile. An unexpected alternative is slowly gaining traction: DNA-based data storage.
DNA, the molecule that stores the information of life, can also store digital data. By encoding 0s and 1s into sequences of the four DNA bases (A, T, C, G), files can be written into synthetic DNA, stored physically, and later read back using sequencing technologies.
Why does this matter? First, density. In theory, one gram of DNA can store hundreds of petabytes of data. Second, durability. Under the right conditions, DNA can remain readable for thousands of years. Third, energy efficiency. Once written, DNA requires no power to maintain — a sharp contrast to energy-hungry data centers.
I’ve recently come into contact with a couple of European startups tackling this challenge: Biosistemika and Genomika.
DNA storage is not yet a replacement for cloud or SSDs. Writing and reading DNA is still slow, costs remain high, and error correction is complex. But these startups are working hard to make science fiction a reality.
Check them both out on LinkedIn for more on a very promising technology.
