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QLC SSDs Likely Headed To The Desktop, Toshiba Debuts 100TB Monster

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Well, TLC has made inroads into the desktop market, and its possible that QLC SSDs aren't far behind, a bunch of SSD controller manufacturers are already making controllers for the client market, and Toshiba has QLC coming out. 

 

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Facebook asked for denser and cheaper 100TB QLC NAND SSDs during its keynote address at the Flash Memory Summit. Coincidentally, an hour later, Toshiba laid out its ambitious plans to develop 100TB QLC SSDs. Toshiba plans to pioneer the use of QLC (Quad-Level Cell) technology with a new variant of its 64-layer BiCS3 NAND, but the company will also employ its TSV (Through-Silicon Via) technology to boost its die stacking capability, which effectively doubles capacity per package.

Of course, the real question for we enthusiasts is if we can expect to see massive QLC-powered SSDs in our PCs. Let's take a closer look at the tech, then work out the math to see if QLC SSDs are possible for normal users (hint: they are).

http://www.tomshardware.com/news/qlc-nand-ssd-toshiba-facebook,32451.html

 

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For the low low price of $15,000! O.o

 

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Didn't someone already post this announcement?  Around the same time as the 60TB SSD was announced wasn't it?

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10 minutes ago, ChineseChef said:

Didn't someone already post this announcement?  Around the same time as the 60TB SSD was announced wasn't it?

i belive that was seagate opening the gates

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Why would they compare a QLC to an HDD to begin with? Also, I can't wait until Linus upgrades all the servers with these things and ends up breaking half of them in the process.

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44 minutes ago, Prysin said:

i wonder what the over-provisioning on these will be....

100 "TB" (HDD/SSD) -> ~91 TiB (windows; mpart+op) -> (assuming tlc's op * 150% ->) ~78 TiB, still not bad I guess...

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1 hour ago, Undertow_ said:

Why would they compare a QLC to an HDD to begin with? Also, I can't wait until Linus upgrades all the servers with these things and ends up breaking half of them in the process.

i assume is because they are aiming these type of nand to compete straight against hard drives last advantage of cost per gigabyte, that 100TB SSD its over 10 times larger that the hard drive in the chart, if they sell it for something like 6 or 7 times higher that the price of the hard drive it would be cheaper that the hard drive when it comes to pricing per gigabyte.

 

Also even if that SSD isn't competitive in price per gigabyte, the density would be insane, that SSD could replace 10 or 11 drives alone.

 

Besides when it comes to speed the IOPS look terrible vs even budget consumer SSD so this ain't going to win medals on raw speed.

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what doesnt ssds get slower as you add more layers? i did not expect QLC ssds to be 1000MB/s but the iops are pretty meh

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Well that sure is quite something for data centers. Also great for HDD replacement with aggressive price/GB though.
Seagate released 10TB HDD now just imagine this QLC SSD in 10TB capacity, with same price/GB that's just awesome.

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2 hours ago, No Nrg said:

For the low low price of $15,000! O.o

 

(not verified, just being sarcastic)

If it actually were to be that price that'd still be about $0.15 per GB so not that bad.

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40 minutes ago, Centurius said:

If it actually were to be that price that'd still be about $0.15 per GB so not that bad.

touché

 

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4 hours ago, ChineseChef said:

Didn't someone already post this announcement?  Around the same time as the 60TB SSD was announced wasn't it?

I did, back two weeks ago (it was even featured on WAN(!))

I'm not sure if it counts as a repost though

 

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Endurance on those qlc SSd's seem VERY poor though

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4 hours ago, spartaman64 said:

what doesnt ssds get slower as you add more layers? i did not expect QLC ssds to be 1000MB/s but the iops are pretty meh

The reason why it's so fast is because there are many nand chips in the 100TB model which the SSD controller can access all at once, as the capacity goes down, so does the speed.
For example:  3Eq1wmA.jpg

Notice how the speeds are very good at high capacities, but are not so great at low capacities? Well the same thing applies to QLC.

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On ‎8‎/‎26‎/‎2016 at 4:49 PM, Coaxialgamer said:

Endurance on those qlc SSd's seem VERY poor though

Their purpose is for write once/read many type of data.  So something like large scale data cache, think video streaming, image hosting, Netflix/facebook/imgur.

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