UPDATED 08:46 EDT / NOVEMBER 16 2015

NEWS

Hewlett-Packard Enterprise jumps aboard the 3D NAND bandwagon with 3PAR upgrade

In the first major update to its flagship 3PAR storage array lineup since becoming an independent company two weeks ago, Hewlett Packard Enterprise is rolling out new solid-state memory drives based on the latest 3D NAND specification that can be retrofitted into existing deployments. The launch comes less than six months after Dell Inc. revealed plans to add support for the technology to its rivaling flash systems and is motivated by many of the same reasons.

Placed under a microscope, 3D NAND memory appears as a series of vertical structures that are capable of packing considerably more capacity on a given area than traditional horizontal implementations that arrange flash cells in a single layer. The resulting density improvement significantly increases the amount of information that can be stored in a flash drive and makes keeping up with long-term data growth easier for manufacturers since there’s plenty of room to add more transistors at the top. That is not to say the process is simple, but it’s still a lot easier than scaling the previous generation of solid-state memory technology.

The fact that all the transistors in the drives powering current 3PAR flash configurations are located on the same plane means that the only way to increase their density is by reducing the diameter of the individual cells, a much more difficult proposition. It can also lead to reliability issues since the amount of voltage a transistor can hold is directly proportional to its size. In other words, the smaller a node is, the more vulnerable the data inside becomes to the natural electron loss that occurs over time in solid-state memory. Using 3D NAND removes both issues with the same stroke.

The new drives thus present HPE customers a convenient way of upping both the longevity and capacity of their storage infrastructure without having to buy more arrays. The SSDs will become available for 3PAR StoreServ systems in the middle of next month at a starting price of $2,075 and are set to be joined by four new single-node additions to the StoreOnce line of derivative  backup appliances that likewise tout significant efficiency improvements over previous-generation hardware.  The most expensive of the bunch is described as 2.7 times denser than EMC Corp.’s closest alternative.

Image via HPE

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