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I Smell Teras: While reporting its financial results for the fourth quarter of fiscal year 2026, Seagate also shared some interesting technology updates. The HDD manufacturer is continuing to develop its HAMR-based storage products, with 50TB drives expected to become available for customer validation soon. Just a reminder: "customers" in this context means Big Tech and AI companies – certainly not the rest of us.
According to Seagate CFO Gianluca Romano, the US company is on track to achieve a storage density of more than 5TB per platter. In layman's terms, Seagate should soon be able to sell individual HDDs containing ten 5TB+ platters, resulting in more than 50TB of storage capacity on a single drive. In fact, this unprecedented level of storage density is already scheduled to reach the market in late 2027.
Romano and other top Seagate executives shared these details during the company's latest earnings call with shareholders. The Mozaic 4+ platform, Seagate's latest iteration of its namesake heat-assisted magnetic recording (HAMR) technology, currently supports hard drives with capacities of up to 44TB. By the end of 2026, Mozaic 4+ models are expected to account for 50% of Seagate's HAMR exabytes shipped to select customers.
