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Micron launches reconfigurable 5100 Series craving SSDs sporting 3D TLC NAND


Micron has announced that it will muster triple turn dungeon (TLC) NAND in a 5100 Series, imprinting a initial time any association has used TLC NAND in an craving product. Typically, craving and many consumer drives are formed on multi-level dungeon (MLC) NAND, that stores dual pieces of information per cell. TLC drives can store 3 pieces of information per cell, though these drives are typically usually able of a fragment of a program/erase cycles that MLC drives can offer. What creates Micron’s drives opposite is that a association is regulating 3D NAND peep instead of normal 2D (planar) NAND.

Micron isn’t only regulating TLC — it’s baked in some tricks to make a drives some-more appealing to a craving crowd. For one thing, a whole 5100 Series (5100 Eco, Pro, and Max) are all almost overprovisioned. The density-focused 5100 Eco has a lowest gangling area, during 15% of expostulate capacity, and a lowest pointless write speeds, though is approaching to sell for 45-55 cents per GB. At a other finish of a spectrum you’ve got a 5100 Max, that is overprovisioned by adult to 60% and is approaching to sell for 65-75 cents per GB (capacities on a 5100 family operation from 240GB – 1920GB depending).


The use of TLC NAND competence seem surprising, though it indeed marks advances we’ve seen from other manufacturers. Micron hasn’t suggested accurately what routine node they’re using, though we know that Samsung fell behind to a 40nm node when it built what it calls V-NAND and a longevity of a TLC NAND skyrocketed. TLC from Samsung is rated adult to 20,000 P/E cycles, that indeed exceeds a standard values on normal MLC NAND by a estimable margin.


The series of electrons for 100m Vt (voltage threshold) change increases neatly with Micron’s 3D NAND.

Micron is still removing a toes soppy in a 3D NAND business, though a association has another pretence adult a sleeve — a 5100 Series can be reconfigured on a fly to allot some-more or reduction space as “spare” NAND in a eventuality of NAND failure. Allocate adequate accessible ability to gangling area, and a expostulate will automatically adjust a opening to compare a characteristics of a higher-end drives in Micron’s family.

This is a win-win, as distant as Micron is concerned. If we buy a 5100 Eco expostulate during 1920GB and afterwards repartition it to offer as a 5100 Max, you’ll be giving adult 45% of your expostulate storage to do it (remember, a Eco starts with a 15% gangling area partition, while a Max has a 60% gangling area partition). This creates a Eco some-more expensive, in terms of cost-per-GB, than a faster Pro or Max. Customers who adjust their possess drives and find they need improved opening will approaching ride towards a top product tiers, while business who already brought a Max and don’t need a additional opening can reconfigure a drives and take advantage of a additional capacity. Either way, Micron creates money, and business get hardware that some-more closely fits their needs.

As we discussed final week, NAND peep prices are approaching to pierce aloft this entertain interjection to early 3D NAND ramps and ubiquitous clever direct for notebooks. Prices should dump again in 2017 as a marketplace cools down.

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