Leaders in Mass-Capacity Storage | Seagate US (2025)

Introducing Mozaic 3+, our breakthrough hard drive platform, delivering unprecedented areal densities of 3TB/disk and beyond.

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Storage at scale runs on Seagate

Breakthroughs in application development are leading to extraordinary data generation. Data that must be captured, replicated, and preserved at scale to ensure continued innovation and trust. In an age of unprecedented creation, Seagate stores infinite potential.

  • Data Creation AI drives unprecedented data creation. People and machines will create in more ways at a faster pace than ever as AI proliferates, producing massive volumes of data.
  • Data Workflow AI gets smarter in an infinite data loop. AI improves in a virtuous feedback loop of consuming data, generating new content, and learning from its performance.
  • Storage Infrastructure AI needs mass capacity storage. It takes multiple storage solutions to enable AI, but delivering on AI at scale requires high-capacity hard drives.
  • Data Storage Solutions Seagate enables AI at scale. Seagate is optimizing storage for AI, making unprecedented leaps forward in capacity to support efficient data center architecture and buildout.
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Mozaic 3+: where the future is read and written.

A breakthrough hard drive platform for sustainable, scalable storage.

A masterpiece of heat, light, and bits.

Mozaic 3+™ is a hard drive platform that incorporates Seagate’s unique implementation of HAMR to deliver mass-capacity storage at unprecedented areal densities of 3TB per platter and beyond, enabling data center efficiency like never before.

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Our plasmonic writer

Discover how we use a precision-engineered laser to enable HAMR in a fraction of a second.

Our 12nm integrated controller

This highly tailored servo-processor chip is the operational heart of Mozaic-enabled hard drives.

Our gen 7 spintronic reader

We built the industry's smallest, most sensitive magnetic field sensor to facilitate higher data densities than ever before.

Our superlattice platinum-alloy media

To combat magnetic instability, we designed a superlattice structure to enable high-fidelity data inscription.

Storing the world’s data without limits.

Seagate is the leading provider of bytes globally, having shipped over 4 zettabytes1 in our 45-year history. Data is in our DNA.

Terabytes

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“Accelerating trustworthy application innovation through scalable, mass-capacity data storage.”

  • 35K+

    Global Employees

  • 45+ Years

    Storage Innovation

  • $6.55B

    FY2024 revenue

Our Latest Resources

  • DATA ARCHITECTURE Three Truths About Hard Drives and SSDs An examination of the claim that flash will replace hard drives in the data center.
  • Case Study Powering Dropbox’s Business Value Learn how Seagate’s areal density enhancements produce TCO savings.
  • White Paper Storage Strategies for the Data-Driven Enterprise Future-proofing data management for mass storage, migration, and movement.
  • Webinar Ask Me Anything: Exos® CORVAULT™ Systems Find out how Exos CORVAULT systems meet today’s storage challenges.

At Seagate, we’re driven.

Let's drive a more sustainable, inclusive, and ethical datasphere, together.

Learn More

  1. The figure shown in the bytes shipped counter is an approximation based on Seagate’s quarterly average runrate of exabytes shipped.

  2. Exos CORVAULT receives overall customer rating of 5 out of 5 on Gartner Peer Insights as of May 2023. Distribution based on 5 ratings.

    Gartner and Peer Insights™ are trademarks of Gartner, Inc. and/or its affiliates. All rights reserved. Gartner Peer Insights content consists of the opinions of individual end users based on their own experiences, and should not be construed as statements of fact, nor do they represent the views of Gartner or its affiliates. Gartner does not endorse any vendor, product or service depicted in this content nor makes any warranties, expressed or implied, with respect to this content, about its accuracy or completeness, including any warranties of merchantability or fitness for a particular purpose.

Leaders in Mass-Capacity Storage | Seagate US (2025)
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