Samsung unveils massive 16TB SSD built with new 3D NAND | ExtremeTech

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Samsung unveils massive 16TB SSD built with new 3D NAND | ExtremeTech

Source Link from Extreme Tech August 21 2015


You can visit the link above to view an image of the device.

We’ve seen multiple companies jockey for the record of largest SSD over the
years, but Samsung appears to have gotten tired of the hooplah and decided
to own the category outright. The company announced a new 16TB SSD
(formatted capacity, 15.36TB) at the 2015 Flash Memory Summit. The massive
increase in density is thanks to the 48-layer 3D TLC NAND that Samsung
announced earlier this week,
and it’s one massive puppy. Based on the
company’s own statistics, each of its new 3D NAND chips can hold up to 256Gb
(32GB). That means 32 chips per terabyte, and 512 chips to provide 16TB of
data. If Samsung over-provisioned the drives by 10%, there could be as many
as 600 NAND chips inside the PM1633a.

Techfrag managed to snap a photo of the drive, and as you can see, it’s not
what you’d call a standard form factor. If you’re hoping to see this kind of
capacity come to consumer drives in the near future, well, don’t get your
hopes up. While it’s true that SSD cost per GB and total number of GB per
drive have been on the decrease and increase respectively, the fact that
Samsung packed 500-600 NAND chips into this thing speaks to the limitations
of consumer drive scaling.

Consumer drives will continue to improve, but at significantly slower rates.
Given that Samsung’s current 48-layer 3D NAND can deliver 256Gb, it’s
reasonable to assume we’ll see 96 layer chips roll out in the next few
years, with a corresponding improvement to SSD density. How long that train
can roll is a matter of some debate in technical circles. Samsung claims
that it can stack up to 100 layers with current V-NAND technology, but as
we’ve previously covered, it gets harder to stack the layers the more layers
there are. Doubling up to 96 would give Samsung 512Gb chips, and doubling
again would push that to a full 1024Tb per chip. At 128GB per IC, high-end
multi-terabyte SSDs would drop from thousands of dollars into territory the
average consumer can afford. Whether or not we manage to squeeze that much
capacity out of NAND before another memory technology either becomes viable
(ReRAM, PCM, Intel’s 3D XPoint) or simply can’t stack dies that high, well,
that’s another area where there’s much debate.

Samsung hasn’t formally announced a price for the PM1633a, but it appears to
be the kind of part where if you have to ask what it costs, you can’t afford

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