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HDDs with HAMR HD Density based Platters bring 80 TB HDDs on the horizon
The entire technology industry is always innovating and evolving. While for lower capacity and volume SSDs are your best option, for mass storage the HDD seems to stay around for a long time as companies still are actively developing their tech.
The latest technology development for HDD platters is coming from SDK Japanese company Showa Denko KK (SDK). Their High-Density HAMR technology is making use of something we've discussed a couple of time already, heat-assisted magnetic recording (HAMR), now updated allowing for way more density. The claim is now that 3.5-inch HDDs can reach capacities of 70 to 80 even TB.
HAMR represents a recording method in which magnetic film is locally heated at the time of recording. This technology has been developed to solve the “magnetic recording trilemma”: difficulty in simultaneously meeting the three requirements of fine-particle structure, resistance to thermal fluctuation, and ease of magnetization. Compared with the recording density of approx. 1.14 Tb/in2 for HD media based on conventional magnetic recording methods, it is said that HAMR-based HD media will achieve recording density of 5-6 Tb/in2 in the future. Provided that the same number of disks are used, it is estimated that a 3.5-inch HDD will achieve storage capacity of approx. 70-80 TB per unit.
The innovation here is based on a thin magnetic layer with an allow of iron and platinum, that created very small crystal particles on that platter, allowed to be written. The materials have another advantage, they can withstand heat quite well.
SDK make any bold claims in terms of specifications, but it does indicate that GAMR discs should be able to reach 5 to 6 Tb per square inch. Currently, that is 1.14 Tb per square inch. So the value that is easily quadrupled. It is uncertain if and when the new technology will go into production.
Sources: SDK via Hardware.info
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SHS
Senior Member
Posts: 501
Joined: 2001-05-02
Senior Member
Posts: 501
Joined: 2001-05-02
#5758507 Posted on: 02/08/2020 02:25 AM
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The is still no replacement for large capacity spinning disks for bulk storrage.
example:
2x 16TB harddrives in raid 1 for safety.
8x 4 TB SSDs are needed to reach the same capacity and mirror backup.
I do not think "normal" of the shelf motherboards are able to run hardware raid with 8 drives, so software raid needs to be used, with all the added performance hit on the CPU required to monitor 8 drives in software.
Not everyone needs this much capacity, but a streamer or youtuber could easily reach those numbers, if they save there videos locally.
RavenMaster is for sure off his rocker as small nas with will still cost you arm & leg as much new car
You forgot yes DVR and DVD/Blu-ray Movie user
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The is still no replacement for large capacity spinning disks for bulk storrage.
example:
2x 16TB harddrives in raid 1 for safety.
8x 4 TB SSDs are needed to reach the same capacity and mirror backup.
I do not think "normal" of the shelf motherboards are able to run hardware raid with 8 drives, so software raid needs to be used, with all the added performance hit on the CPU required to monitor 8 drives in software.
Not everyone needs this much capacity, but a streamer or youtuber could easily reach those numbers, if they save there videos locally.
RavenMaster is for sure off his rocker as small nas with will still cost you arm & leg as much new car
You forgot yes DVR and DVD/Blu-ray Movie user
kendoka15
Senior Member
Posts: 136
Joined: 2014-03-14
Senior Member
Posts: 136
Joined: 2014-03-14
#5758521 Posted on: 02/08/2020 03:51 AM
It annoys me to no end when people claim HDDs have no purpose anymore because apparently SSDs are dirt cheap. Try finding a high capacity SSD, oh wait those don't exist. Try finding a medium capacity SSD that doesn't cost A LOT more than a similarly sized HDD. Oh wait, those don't exist. The cheapest 2TB SSD I can find on newegg.com is a Crucial BX500 for $200 USD. I can find many HDDs of a similar size for a quarter of the price, from reputable brands like WD. Mass storage still requires HDDs, unless you're made of money or don't need more than a few TB.
It annoys me to no end when people claim HDDs have no purpose anymore because apparently SSDs are dirt cheap. Try finding a high capacity SSD, oh wait those don't exist. Try finding a medium capacity SSD that doesn't cost A LOT more than a similarly sized HDD. Oh wait, those don't exist. The cheapest 2TB SSD I can find on newegg.com is a Crucial BX500 for $200 USD. I can find many HDDs of a similar size for a quarter of the price, from reputable brands like WD. Mass storage still requires HDDs, unless you're made of money or don't need more than a few TB.
0blivious
Senior Member
Posts: 3299
Joined: 2006-04-25
Senior Member
Posts: 3299
Joined: 2006-04-25
#5758552 Posted on: 02/08/2020 10:41 AM
That is big. My first PC came with no usable internal space, just a cassette drive and floppy drive. 80TB is pretty amazing. At least today. Give it some years, this will be smaller than what we have in our mobile devices.
That is big. My first PC came with no usable internal space, just a cassette drive and floppy drive. 80TB is pretty amazing. At least today. Give it some years, this will be smaller than what we have in our mobile devices.
Astyanax
Senior Member
Posts: 15722
Joined: 2018-03-21
Senior Member
Posts: 15722
Joined: 2018-03-21
#5758637 Posted on: 02/08/2020 07:52 PM
SATA HDD's are at a dead end.
time to move to SAS HDD's with multiple actuators
SATA HDD's are at a dead end.
time to move to SAS HDD's with multiple actuators
Click here to post a comment for this news story on the message forum.
Senior Member
Posts: 13880
Joined: 2003-05-24
80TB is astonishing, considering that my first PC came with a 7Gb HDD or so. For long years to come HDD will still be the go to for mass storage and archival needs.
I've been using SSD for boot drive for a couple years now and just invested on an NVMe. I wouldn't go back to HDD, but the price just isn't there for SSD storage.
The common mortal will use maybe a fast 512Gb/1Tb NVMe as a boot drive and a 1/2Tb SATA SSD for casual storage. Then have External HDD as needed to have an offline archive to go back to.
my first pc came with not even 5mb harddrive i feel old, then again my body make me feel even older with all pain i have... anywho I just recently swaped over to all SSD, i would never want to go back to HDD for anything other then pure storage space, unless HDD have some huge break threw that increases here speed to near SSD speeds.
SSD are nice but there storage space to price ratio is anything but close to HDD prices, just recently 1tb ssd droped to under 100$ which still way to much.