Arizona State Researchers Unveil DNA-Based Data Storage Breakthrough

New techniques pack 1,000 times more data than hard drives in microscopic space, offering ultra-durable archiving.

Jan. 29, 2026 at 12:07pm

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Researchers at Arizona State University have developed groundbreaking DNA-based data storage technologies that can pack 1 exabyte of data per cubic millimeter - 1,000 times denser than hard drives. Their approaches use DNA nanostructures and origami to store and retrieve data without expensive sequencing, paving the way for long-term, ultra-dense digital archiving.

Why it matters

As our digital data continues to grow exponentially, traditional storage mediums like hard drives and backup tapes are struggling to keep up. DNA storage offers a potential solution, with the ability to pack massive amounts of data into a tiny footprint while providing extreme durability for long-term archiving.

The details

The ASU team, led by Hao Yan, Chao Wang, and Rizal Hariadi, has published two key studies demonstrating their DNA storage breakthroughs. The first method uses DNA nanostructures as physical 'letters' that can be read by electrical sensors through machine learning, avoiding the need for expensive DNA sequencing. The second approach leverages DNA origami, folding genetic material into 2D and 3D patterns to hide data in plain sight.

  • In 2015, Microsoft began developing DNA-based data storage technology.
  • In 2019, researchers successfully encoded 16GB of Wikipedia into DNA.
  • By 2021, DNA data writing speeds reached 1 Mbps, a significant improvement.

The players

Hao Yan

A lead researcher on the DNA storage projects at Arizona State University.

Chao Wang

A lead researcher on the DNA storage projects at Arizona State University.

Rizal Hariadi

A lead researcher on the DNA storage projects at Arizona State University.

Microsoft

A technology company that has been developing DNA-based data storage since 2015.

Wyss Institute

An institution developing competing approaches to accelerate the market readiness of DNA storage.

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What they’re saying

“By treating DNA as an information platform rather than just a genetic material, we can begin to rethink how data is stored, read and secured at the nanoscale.”

— Hao Yan

What’s next

Cost reductions and reliability improvements continue to be the key focus areas for making DNA storage more practical and accessible for consumer and enterprise applications.

The takeaway

DNA storage holds immense promise as a solution to the ever-growing digital data crisis, offering unparalleled density and durability compared to traditional storage mediums. While still in the early stages of development, the rapid progress in this field suggests that DNA-based archiving could become a viable option for preserving our digital legacies in the not-too-distant future.