Seagate Technology announced on March 3, 2026 that its next‑generation Mozaic 4+ heat‑assisted magnetic recording (HAMR) platform has been qualified and is now in production with two leading hyperscale cloud providers. The new platform supports capacities up to 44 TB per disk, making it the industry’s only HAMR‑based drive deployed at scale.
The 44 TB HAMR drive represents a milestone for AI‑driven data‑center storage. By delivering the highest‑capacity hard drive available, Seagate can reduce the number of drives needed per rack, lower physical footprint, and cut energy consumption—key metrics for large‑scale AI workloads that require petabytes of data to train and fine‑tune models.
Seagate’s Q2 2026 financial results provide context for the launch. Revenue rose 21.5% year‑over‑year to $2.83 billion, and non‑GAAP earnings per share reached $3.11, a $0.34 beat over the $2.77 consensus estimate. The company’s non‑GAAP gross margin expanded to 42.2%, up 210 basis points quarter‑over‑quarter and roughly 670 basis points year‑over‑year, driven by stronger adoption of high‑capacity nearline products and pricing initiatives. The data‑center segment accounted for 87% of shipment volume and $2.2 billion in revenue, up 28% year‑over‑year.
Management emphasized the strategic importance of the new technology. CEO Dave Mosley said, "Data has become one of the most valuable assets for enterprises, fueling business insights, enhancing productivity, and enabling competitive advantage. As the foundation of modern data centre infrastructure, data storage solutions are essential to manage ever‑increasing data volumes and maximise returns on investments in today's AI driven‑world." He added, "Seagate's HAMR‑based Mozaic products deliver the scale, performance, and efficiency customers need to unlock the full potential of their data." Tech analyst Bob O'Donnell noted, "Whether for large‑scale model training or sophisticated fine‑tuning, companies who build and use these AI models have found that high‑capacity hard drive innovations like HAMR have become critical to quality and speed of their outputs."
The launch positions Seagate ahead of competitors such as Western Digital, which plans to ship 40 TB drives later in the year using EAMR and UltraSMR technology. Seagate’s roadmap targets 10 TB per disk by 2028, potentially enabling 100 TB drives, and the company’s investment in HAMR technology signals a long‑term commitment to high‑density storage solutions for AI and data‑center markets.
Seagate’s first 44 TB HAMR drive at scale underscores the company’s leadership in high‑capacity storage and its ability to meet the growing demand for cost‑efficient, high‑density solutions in AI‑driven data centers. The launch, coupled with strong Q2 financial performance, reinforces confidence in Seagate’s strategy to capture a larger share of the expanding AI and data‑center market.
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