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At present Micron is ramping up production of its 64-layer 3D TLC NAND memory (2nd Gen 3D NAND) and last quarter it achieved production output crossover with other types of NAND the company manufactures. This is particularly good news for Micron because 64-layer 3D NAND devices are significantly more cost-efficient in terms of cost per bit compared to 32-layer 3D NAND memory, which allows Micron to earn more. In fact, 64-layer 3D NAND enabled Micron to launch two major products. First, the company released its 2.5-inch SATA 5200 ECO SSDs with up to 7.68 TB capacity in January targeting mainstream servers. Second, 64-layer 3D QLC memory enabled Micron to compete for nearline storage segment with its 5210 ION drives launched back in May.
Earlier this month we reported that at least two developers of SSD controllers have qualified Micron's 96-layer 3D TLC NAND memory for SSDs. During the conference call, Micron confirmed that it was on track to ship its 3rd Gen 3D NAND in volumes for commercial products in the second half of calendar 2018. It is not clear whether the initial batches of such memory will be used for various removable storage solutions (memory cards, USB flash drives, etc.) as it happens usually, but it is evident that Micron's 96-layer 3D NAND is making a good progress with designers of SSD controllers. Maxio Technology intends to use Micron's 3D TLC B27A memory for inexpensive drives based on its MAS0902A-B2C DRAM-less controller, whereas Silicon Motion is so confident of this memory that it has qualified it with its top-of-the-range SM2262EN controller for high-performance SSDs.
[...] While sales of Micron's SSDs are growing (and currently account for 50% of Micron's storage business revenue, or $507 million) and the company continues to shift to high-value specialized NAND products from selling raw NAND chips, shipments of 3D XPoint are below expectations. According to Micron, it sold "very little" 3D XPoint memory to its unnamed parter (almost certainly Intel) during its Q3 FY2018.
Micron's 4th-generation 3D NAND could have up to 128 layers.
Related: "String-Stacking" Being Developed to Enable 3D NAND With More Than 100 Layers
64-Layer 3D NAND at Computex
SK Hynix Developing 96 and 128-Layer TLC 3D NAND
Intel and Micron Boost 3D XPoint Production
Micron Launches First QLC NAND SSD
(Score: 1, Insightful) by XivLacuna on Sunday June 24 2018, @03:56PM
It'll be more successful if it can get its price per GB to be comparable to flash based SSDs. It wins on speed, durability, and failure mode (it becomes read only when it fails), but it is still costs too many shekels per GB for people to really buy into it. I would love to have a 2TB m.2 stick of 3D XPoint memory.