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- Toshiba maps path for onerous disk drives from 24TB capability to 55TB & past
- Storage large targets 40TB drives as early as subsequent yr with new applied sciences
- Twelve platter design underpins Toshiba’s push towards greater capacities
Toshiba has outlined plans to push onerous disk capability far past at present’s limits, with new slides displaying a path to 40TB fashions and an eventual transfer towards 55TB and past.
PC Watch says the corporate detailed its roadmap at a latest symposium in Japan, describing advances in platter counts, recording applied sciences, and supplies that may form its subsequent technology of information heart drives.
There was a gentle rise in HDD storage sizes from 2017’s 10TB fashions to at present’s 24TB capability. Toshiba raised density by transferring from CMR designs to its FC MAMR system, increasing platter counts from seven to 9 after which to 10. It later elevated density once more with refinements to each CMR and MAMR, reaching 22TB and 24TB capacities in 2024.
MAMR and HAMR
In October, we reported that Toshiba had verified a 12 disk stacking design for nearline drives, marking a primary for the storage business.
This method provides two platters to the acquainted ten disk format and replaces aluminum substrates with glass, permitting thinner disks, finer tolerances, and higher sturdiness.
Toshiba paired the design with MAMR and stated it deliberate to achieve 40TB capacities in 2027.
The brand new slides, one among which might be seen above, increase on that plan. Toshiba nonetheless goals to ship a 40TB class drive in 2027 utilizing MAMR with 11 or 12 platters. A separate observe, based mostly on HAMR, is ready to cross 40TB in 2026 with 11 platters.
MAMR and HAMR are two approaches to power assisted magnetic recording that elevate storage density past what standard strategies enable.
MAMR makes use of a microwave area to stabilize the writing course of so knowledge might be written to smaller magnetic areas with out shedding accuracy.
HAMR depends on a tiny, exactly managed burst of warmth from a semiconductor laser to momentarily decrease the resistance of the media, enabling even finer magnetic patterns.
Each strategies let producers pack extra knowledge onto every platter, though HAMR usually provides greater long run density positive factors.
The roadmap exhibits targets of 45TB in 2028 and 55TB or extra after 2029 as HAMR and 12 platter stacking mature, pointing towards what could be among the many largest onerous drives available on the market.
The corporate has stated it believes going to 13 platters may very well be possible throughout the similar format.
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