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

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

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Leaders in Mass-Capacity Storage | Seagate UK (1)

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In an age of unprecedented data creation, scalable storage is more essential than ever. Seagate stores infinite potential.

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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 optimising storage for AI, making unprecedented leaps forward in capacity to support efficient data centre architecture and buildout.
Leaders in Mass-Capacity Storage | Seagate UK (6)

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 3 TB per platter and beyond, enabling data centre 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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Exabytes

Petabytes

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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

  • BLOG Storage and compute Hard drives and SSDs join GPUs, CPUs, HBM, and DRAM as vital components in AI applications.
  • WHITE PAPER Advanced storage architecture to power AI in data centres. This white paper details a scalable AI storage solution by Supermicro, Seagate, and OSNexus, featuring Exos drives with Mozaic 3+ technology.
  • BLOG How Mozaic 3+ enables enterprises to tap AI's full potential. Breakthroughs in areal density, cost efficiency, and sustainability drive AI scalability.
  • White Paper What Is Mozaic 3+, How Does It Work, and What Can It Do for My Data Centre? Seagate's Mozaic 3+ white paper details a breakthrough in data storage, featuring HAMR technology for unparalleled areal density per disk, enabling future-ready, high-capacity hard drives.

At Seagate, we’re driven.

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

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  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 an 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 UK (2025)

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