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The Mozaic contains ten glass data platters, which Seagate has produced in capacities of up to 6TB each, making Seagate’s current theoretical size limit 60TB. But the current corporate roadmap does not stretch this far, with Seagate in January saying it expects its next platform, Mozaic 4+, to bring 40TB+ HDDs in 2026, and the following Mozaic 5+ platform to bring 50TB drives in 2028 or later.
This falls well short of Seagate’s 2017 roadmap, which aimed for 50TB hard drives by 2026. As a result, it could be wise to take claims of 100TB by 2030 with a grain of salt, unless Seagate has plans beyond HAMR after Mozaic 5+.
Seagate will also have energy conservation interests breathing down its neck in its race to boost capacity. As the AI market continues to demand an ever greater share of the energy grid, energy efficiency will likely be a more serious concern than consolidating capacity for enterprise users.
Teh claims that Seagate’s race to 100TB is keeping conservation on the mind. “With the product itself, we design it to have lower power per terabyte, or to have higher density of the device itself, such that when you actually integrate that product into your data center, you require less space, less power, less everything, because you’re using your fewer drives to fulfill that capacity.” He also claims that Seagate is pushing renewable energy sources to power its production lines.
Whether the fires of AI and enterprise needs are enough to push Seagate through the goalposts by 2030 is yet to be seen. While the firm consistently releases the market’s largest capacity drives, its history of falling short of over-enthusiastic stretch goals casts some doubt on the bullish claims of its C-suite.
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