Data storage devices
Seagate is one of the two dominant makers of nearline hard disk drives used in hyperscale data centers. Its Mozaic 4+ platform, built on heat-assisted magnetic recording (HAMR), supports drives up to 44 terabytes and was qualified and in production with two hyperscale customers as of March 2026. Its fiscal fourth-quarter 2026 gross margin reached 52.3%, up from 37.4% a year earlier, making it a central test of whether AI-driven data growth translates into durable storage economics.
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Featured · Hardware
Seagate's Mozaic 4+ hard drive does something unfashionable in an industry obsessed with faster chips: it makes room. In March 2026, Seagate said its platform, supporting drives up to 44 terabytes, was qualified and in production with two hyperscale customers. By July, the financial attraction of that unglamorous job was becoming harder to miss. [1][2]
· 6 min read
