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  2. Solid-state drive - Wikipedia

    en.wikipedia.org/wiki/Solid-state_drive

    As of early 2018, SSD prices were around $0.30 per gigabyte for 4 TB models. [23] HDDs, as of early 2018, were priced around $0.02 to $0.03 per gigabyte for 1 TB models. [23] Storage capacity By 2018, SSDs were available in sizes up to 100 TB, [24] though lower-cost models typically ranged from 120 GB to 512 GB.

  3. System partition and boot partition - Wikipedia

    en.wikipedia.org/wiki/System_partition_and_boot...

    Since Windows NT 3.1 (the first version of Windows NT), [4] Microsoft has defined the terms as follows: . The system partition (or system volume) [5] is a primary partition that contains the boot loader, a piece of software responsible for booting the operating system.

  4. Solid-state electronics - Wikipedia

    en.wikipedia.org/wiki/Solid-state_electronics

    The term solid-state became popular at the beginning of the semiconductor era in the 1960s to distinguish this new technology. A semiconductor device works by controlling an electric current consisting of electrons or holes moving within a solid crystalline piece of semiconducting material such as silicon, while the thermionic vacuum tubes it replaced worked by controlling a current of ...

  5. IOPS - Wikipedia

    en.wikipedia.org/wiki/IOPS

    [citation needed] Enterprise class SATA HDDs, such as the Western Digital Raptor and Seagate Barracuda NL will improve by nearly 100% with deep queues. [4] High-end SCSI drives more commonly found in servers, generally show much greater improvement, with the Seagate Savvio exceeding 400 IOPS—more than doubling its performance.

  6. List of computing and IT abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_computing_and_IT...

    AT—Access Time; AT—Active Terminator; ATA—Advanced Technology Attachment; ATAG—Authoring Tool Accessibility Guidelines; ... SSD—Software Specification Document;

  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 ...

  8. Hot spare - Wikipedia

    en.wikipedia.org/wiki/Hot_spare

    The hot spare is active and connected as part of a working system. When a key component fails, the hot spare is switched into operation. More generally, a hot standby can be used to refer to any device or system that is held in readiness to overcome an otherwise significant start-up delay.

  9. Advanced Host Controller Interface - Wikipedia

    en.wikipedia.org/wiki/Advanced_Host_Controller...

    Some operating systems, notably Windows Vista, Windows 7, Windows 8, Windows 8.1 and Windows 10, do not configure themselves to load the AHCI driver upon boot if the SATA controller was not in AHCI mode at the time the operating system was installed. Although this is an easily rectifiable condition, it remains an ongoing issue with the AHCI ...