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- Seagate is already testing its 40TB HAMR drives, whereas Toshiba eyes 2027 launch
- Toshiba’s drives use 12-disk stacking expertise and Microwave-Assisted Magnetic Recording
- Seagate is planning 44TB fashions for when Toshiba’s 40TB fashions arrive
Again in Might 2025, we reported that Seagate had shipped restricted models of its 40TB HDDs constructed on its Mozaic HAMR platform. These drives use Warmth-Assisted Magnetic Recording to retailer 4TB per platter throughout ten platters, setting a brand new benchmark on the time for mechanical storage density.
Full-scale manufacturing is deliberate to start within the first half of 2026, as soon as in depth buyer testing is full.
At Seagate’s current Investor and Analyst Convention, firm CEO Dr. Dave Mosley defined that the ten-disk configuration affords higher fleet-level effectivity for knowledge facilities, whereas additionally serving as the inspiration for the corporate’s roadmap.
One dozen platters
Seagate mentioned then it anticipated to maneuver past 40TB within the coming years, with 44TB fashions penciled in for 2027 and 50TB drives by 2028.
Quick ahead to now, and Toshiba has introduced it has verified 12-disk stacking expertise for exhausting drives, a primary for the storage trade.
Its design combines the agency’s mechanical engineering expertise with Microwave-Assisted Magnetic Recording (MAMR) to achieve 40TB capacities in a 3.5-inch format. Toshiba plans to launch these drives in 2027.
The brand new design provides two disks to the ten-disk nearline format and in addition replaces aluminum substrates with glass, which ends up in thinner platters, greater precision, and better sturdiness.
This may reportedly improve storage density with out sacrificing both stability or reliability.
Toshiba’s engineers are additionally learning how this 12-disk configuration might work alongside HAMR, suggesting a hybrid course for future merchandise.
The corporate says that in the end its aim is to supply knowledge facilities with bigger capacities whereas sustaining a decrease TCO as knowledge calls for proceed to develop.
Nonetheless, by the point Toshiba’s drives attain the market, if Seagate’s roadmap involves go, the competitors might already be transferring properly past 40TB, leaving Toshiba taking part in catch-up.
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