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    Intel® Optane™ with 3D XPoint technology explained

    Intel® Optane™ is a line of products based on a 3D XPoint technology that makes it significantly faster than typical NAND-based flash memories in terms of both access times and transfers.

    The advantage of 3D XPoint over NAND is mainly based on addressing (for read and write operations) of single cells instead of whole blocks, where, in order to perform a write operation, a whole sequence of read-modify-write operations has to be performed.

    3D XPoint technology approach in which the memory cells are addressed individually and there are two physical connections available – one at the top and the other at the bottom of the 3D mesh – results in a technology that is ultra-fast and has benefits such as:

    • Very low latency.
    • Simultaneous read and write operations at very high speeds.
    • Very high endurance without degradation of performance.


    How it works

    In 3D XPoint, the storage consists of parallel wires referred to as wordlines. Under wordlines, there are bitlines – another parallel wires running perpendicular to the wordlines. Memory cells are located between the points where these lines cross together with selectors that specify whether the cells contain a 1 or 0 value.

    By applying a specific current to the wordline and bitline crossing with the memory cell, any memory cell can be read or written to. Also, the wordlines and bitlines can be stacked up to increase the density of the memory cell.


    Benefits of Intel® Optane™ SSDs

    Thanks to applying the 3D XPoint technology, the advantages of using Intel® Optane™ SSDs are as follows:

    • High IOPS
      Intel® Optane™ delivers high and stable write IOPS during the whole drive lifecycle in comparison to NAND SSDs, which work very fast at the beginning, subsequently slowing down.
    • Low Latency
      Unlike NAND SSDs, whose latency steadily grows over time, Intel® Optane™ drives provide low and consistent latency that is perfect when working, for example, with databases and desktop virtualization systems.
    • Very high endurance
      Intel® Optane™ SSDs are highly durable devices in comparison to NAND SSDs, especially when looking at the amount of writes and endurance capabilities reaching up to 60 DWPD (Device Write Per Day) within 5 years.


    Closing notes

    Intel® Optane™ is undoubtedly a great technology that will significantly improve the quality of your storage solution. Since, among others, 3D Xpoint is capable of very high read and write speeds, providing very low latency, as well as high and stable IOPS making Intel® Optane™ the perfect choice for the most demanding data storage environments. Therefore, Open-E JovianDSS with its advanced caching functionality, which is well optimized to work with Intel® Optane™ drives, will meet the expectations of even the most demanding users.

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