Wednesday, June 9th 2021

Samsung Preparing to Deploy 176-Layer V-NAND in PCIe 4.0, PCIe 5.0 SSD Products

Samsung is preparing to deploy their latest innovations in NAND density with the next-generation V-NAND (7th gen). Samsung says it is preparing products that leverage both V-NAND's higher density (at 176 layers per chip versus up to 136 layers on 6th gen) with the throughput of both PCIe 4.0 and PCIe 5.0. This would of course mean higher density drives available, as well as a reduction in the overall $/GB equation. Due to Samsung's vertical integration (meaning that they are one of the few companies that can design and produce all SSD components in-house), the company is also developing next-gen NAND controllers that can leverage throughputs of 2,000 MT/s transfer rates and thus "optimized for multitasking huge workloads".

Samsung expects to be able to scale V-NAND well past the 1,000 layer mark - a far-cry from the claims made by SK Hynix, who have only talked about a theoretical 600-layer NAND configuration. While the 176-layer, 7-gen V-NAND is only now entering mass production and the final stages of product development, Samsung has already taped out the initial batches of their 8th-gen V-NAND, which feature "more than 200 layers". It's likely that Samsung's 1,000-layer claim actually looks towards the future in a timeframe of decade(s?) and isn't actually something to look forward to in the approximate future.
Source: Tom's Hardware
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5 Comments on Samsung Preparing to Deploy 176-Layer V-NAND in PCIe 4.0, PCIe 5.0 SSD Products

#1
TheinsanegamerN
Cross fingers that 176 layer vNAND means we will see 8TB M.2 TLC SSDs.
Posted on Reply
#2
Mussels
Moderprator
TheinsanegamerNCross fingers that 176 layer vNAND means we will see 8TB M.2 TLC SSDs.
It's only ~30% more layers, so unlikely.

Might see less binary sizes and see 5 or 6 TB SSDs?
Posted on Reply
#3
Prima.Vera
no mater how big the SSDs can become, the real question is how much cheaper are they going to be?
Posted on Reply
#4
lexluthermiester
TheinsanegamerNCross fingers that 176 layer vNAND means we will see 8TB M.2 TLC SSDs.
This! Yes. I'd buy one, even if it was $500.
Posted on Reply
#5
R0H1T
MusselsIt's only ~30% more layers, so unlikely.

Might see less binary sizes and see 5 or 6 TB SSDs?
It's definitely possible, they just need to add more NAND packages to either side of the PCB.
Posted on Reply
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