Solid state Definitions

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  • F

    fresh out of the box (FOB)

    Fresh out of the box (FOB) is a term used in solid state storage (SSS) to describe a flash memory device that has experienced few or no program/erase (P/E) cycles since the device was manufactured.

  • H

    HDD form factor (hard disk drive form factor)

    HDD form factor is the size or geometry of a hard disk drive, determining the device’s compatibility with the drive bays in a storage array or enclosure, server, portable computer or other computing device.

  • hybrid flash array

    A hybrid  flash array is a solid state storage disk system that contains a mix of flash memory drives and hard disk drives.

  • hybrid hard disk drive (HDD)

    A hybrid hard disk drive is an electromechanical spinning hard disk that contains some amount of NAND Flash memory.

  • I

    IBM racetrack memory

    Racetrack memory is a type of non-volatile, solid-state nanotech memory being developed by IBM.

  • IOPS (input/output operations per second)

    IOPS measures the maximum number of reads and writes to non-contiguous storage. It is not an actual benchmark since vendor numbers can vary from real-world performance.

  • J

    JEDEC

    JEDEC is a global industry group that develops open standards for microelectronics.

  • M

    M.2 SSD

    An M.2 SSD is a solid-state drive (SSD) that conforms to a computer industry specification written for internally mounted storage expansion cards of a small form factor.

  • MO-297

    MO-297 is a JEDEC standard that defines the layout, connector positions and physical dimensions for a 54mm x 39mm solid state drive (SSD) with a Serial Advanced Technology Attachment (SATA) connector. 

  • mSATA SSD (mSATA solid-state drive)

    An mSATA SSD is a small-form-factor solid-state drive designed for portable devices such as laptops and tablets. Advantages include low power and vibration resistance.

  • multi-level cell (MLC)

    Multi-level cell flash is a type of flash memory that stores more than 1 bit per cell.

  • N

    NAND flash wear-out

    NAND flash wear-out is the breakdown of the oxide layer within the floating-gate transistors of NAND flash memory.

  • NAND mirroring

    NAND mirroring has been proposed to break the security in certain portable devices that use NAND flash memory for encryption.

  • NVDIMM (Non-Volatile Dual In-line Memory Module)

    An NVDIMM (non-volatile dual in-line memory module) is hybrid computer memory that retains data during a service outage.

  • NVMe (non-volatile memory express)

    NVMe (non-volatile memory express) is a host controller interface and storage protocol to enable a solid-state drive to use the high-speed PCI Express bus in a computer.

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