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  2. Hard disk drive performance characteristics - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive...

    A hard disk head on an access arm resting on a hard disk platter. The access time or response time of a rotating drive is a measure of the time it takes before the drive can actually transfer data. The factors that control this time on a rotating drive are mostly related to the mechanical nature of the rotating disks and moving heads. It is ...

  3. Hybrid drive - Wikipedia

    en.wikipedia.org/wiki/Hybrid_drive

    A hybrid drive (solid state hybrid drive – SSHD, and dual-storage drive) is a logical or physical computer storage device that combines a faster storage medium such as solid-state drive (SSD) with a higher-capacity hard disk drive (HDD). The intent is adding some of the speed of SSDs to the cost-effective storage capacity of traditional HDDs ...

  4. IOPS - Wikipedia

    en.wikipedia.org/wiki/IOPS

    Some SSDs, including the OCZ RevoDrive 3 x2 PCIe using the SandForce controller, have shown much higher sustained write performance that more closely matches the read speed. [9] For example, a typical operating system has many small files (such as DLLs ≤ 128 kB), so SSD is more suitable for system drive.

  5. The best solid-state drives for beefing up your storage

    www.aol.com/best-solid-state-drives-beefing...

    Faster and more performant than just about any hard drive on the market, finding a great solid-state drive or SSD is vital if you want a highly functioning laptop or computer for gaming or editing ...

  6. Solid-state drive - Wikipedia

    en.wikipedia.org/wiki/Solid-state_drive

    Comparison of NAND-based SSD and HDD Attribute or characteristic Solid-state drive (SSD) Hard disk drive (HDD) Price per capacity SSDs are generally more expensive than HDDs and are expected to remain so. As of early 2018, SSD prices were around $0.30 per gigabyte for 4 TB models. [23]

  7. Write amplification - Wikipedia

    en.wikipedia.org/wiki/Write_amplification

    The peak random write performance on an SSD is driven by plenty of free blocks after the SSD is completely garbage collected, secure erased, 100% TRIMed, or newly installed. The maximum speed will depend upon the number of parallel flash channels connected to the SSD controller, the efficiency of the firmware, and the speed of the flash memory ...