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 2. News


TOSHIBA: 26TB HDDS DUE WITHIN A YEAR, 40TB HDDS IN FIVE YEARS

By Anton Shilov published February 09, 2022

Toshiba expects rapid hard drive development.

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Comments (6)

(Image credit: Toshiba)


Toshiba this week outlined its aggressive hard disk drive road-map for the next
five years via a Business Wire press release. The company expects to rapidly
increase the capacity of its HDDs for nearline applications by adopting
next-generation recording technologies as well as increasing the number of
platters per drive. The company's nearest plan is to introduce a 26TB hard drive
by the end of fiscal 2022, which means in 14 months from now. Meanwhile, a 40+
TB HDD is expected by 2027. 



There are two ways to increase capacity of a hard drive: to use platters with
higher areal recording density and/or install more platters into an HDD.
Traditionally, hard drive makers use both methods. At present, Toshiba's
highest-capacity HDDs are its 18TB products featuring nine aluminum platters
that use flux-control microwave-assisted magnetic recording (FC-MAMR)
technology. 



(Image credit: Toshiba)

Toshiba's next step will be announcement of a 20TB HDD that will continue to
rely on FC-MAMR disks, but will employ 10 of them to increase capacity.
Development of a 20TB hard drive is a relatively straightforward move that will
enable it to compete against 20TB HDDs from Seagate and Western Digital that
have been shipping for several months now.  





But while Toshiba's 20TB HDD will be an important product as it will allow the
company to test its 10-platter helium-filled platform, it is not exactly going
to be a breakthrough product. Based on the company's newly-released public
roadmap, Toshiba intends to quickly roll-out subsequent HDD models offering
higher capacity.  

By the end of fiscal year 2022 that ends on March 31, 2023 (within the next 14
months), Toshiba will introduce its 10-platter 26TB HDD that will switch to
microwave assisted switching MAMR (MAS-MAMR) technology enabled by platters
developed by Showa Denko K.K. and heads designed by TDK. The company will
maintain aggressive onward pace and intends to reveal an 11-platter 30TB
drive in the following years (by the end of fiscal 2024, which ends on March 31,
2025). 



But starting from 30TB ~ 35TB, Toshiba considers moving to heat assisted
magnetic recording (HAMR) technology that is expected to enable long term
evolution for HDDs. Toshiba says that HAMR will allow it to offer a hard drive
with an over 40TB capacity after fiscal 2027, or roughly five years from now. 

It is important to point out that MAS-MAMR will require Toshiba to transit to
all-new platters with brand-new magnetic layers as well as new read and write
heads. HAMR will require Toshiba to transit to a yet another set of key
components again, which will require collaborative work with its partners. Since
multiple major technology transitions naturally pose risks, Toshiba does not
plan to drop MAS-MAMR for quite some time after it starts using HAMR in the
middle of the decade.

"Toshiba continues to work closely with the cloud companies to understand their
exact capacity and performance requirements, and the ability to utilize our
next-generation technologies will be key to meeting our customers’ needs," said
Raghu Gururangan, Toshiba America Electronic Components, Inc. Vice President,
Engineering & Product Marketing. "Many years of close collaboration work with
our key component suppliers is leading to impactful technology breakthroughs to
achieve higher capacities, which ultimately reduces TCO (total cost of
ownership) of our nearline HDDs." 

One thing that is worth noting is that Toshiba positions its high-capacity HDDs
based on leading-edge magnetic recording technology primarily for nearline
applications. That said, it really remains to be seen whether technologies like
MAS-MAMR and/or HAMR will be used for consumer-grade HDDs and if so when.


Anton Shilov




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Topics
Hard Drives
Storage
See all comments (6)


6 Comments Comment from the forums
 * drtweak
   Sounds more and more like we need to go backwards and go back to 5.25 inch
   drives XD hahaha
   Reply
 * Geef
   I think it will make me cry if I format a drive like that and lose over a TB
   of space just to the format. 😢
   Reply
 * USAFRet
   > Geef said:
   > I think it will make me cry if I format a drive like that and lose over a
   > TB of space just to the format. 😢
   
   You're not "losing" any space.
   Its just a difference in units.
   
   If you go buy a car, and the salesman says "It will do a little over 200!"
   But when you...
   Read More Reply
 * Alvar "Miles" Udell
   > drtweak said:
   > Sounds more and more like we need to go backwards and go back to 5.25 inch
   > drives XD hahaha
   
   
   To me it's not that bad of an idea, especially in enterprise environments.
   From what I remember the smaller platters had to do with vibration
   resistance, something critical when you're spinning at 5400 or even 7200rpm,
   but considering...
   Read More Reply
 * paul.nicolezim
   By the time 40TB HDD come around in roughly 5 years (ive made the same
   prediction) SSDs will be at roughly 4TB for $100. 8TB to $185, 16TB for $359
   and 32TB in the near future for around $600.
   They will be much faster, much more reliable (in enterprise redundant
   environments, much more compact much more energy efficient. Just...
   Read More Reply
 * JWNoctis
   > Alvar Miles Udell said:
   > To me it's not that bad of an idea, especially in enterprise environments.
   > From what I remember the smaller platters had to do with vibration
   > resistance, something critical when you're spinning at 5400 or even
   > 7200rpm, but considering a 5.25" platter has 2.25x the surface area of a
   > 3.5" platter, you'd think there would be...
   
   Read More Reply
 * View All 6 Comments

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