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  2. List of solid-state drive manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_solid-state_drive...

    Formerly, but now absorbed into its parent, Western Digital No No HyperOs Systems [11] England: No No No Yes No Imation [12] United States No No Formerly, but this company has exited the storage business. No No Intel [13] United States No Sold its NAND flash memory and SSD businesses to SK Hynix. Intel has terminated its Optane line of memory.

  3. Western Digital - Wikipedia

    en.wikipedia.org/wiki/Western_Digital

    In November 2020, Western Digital produced a new consumer SSD, the WD Black SN850 1TB. Using a proprietary NVMe version 1.4 controller ("G2"), it is reported to outperform Samsung's 980 Pro 1TB as well as other, new-to-market SSDs containing the Phison E18 controller that arrived after the SN850 became available. The only higher-performing SSD ...

  4. Western Digital Raptor - Wikipedia

    en.wikipedia.org/wiki/Western_Digital_Raptor

    Western Digital WD740GD A Fujitsu laptop drive (80 GB, 7,200 RPM) on the left and a Western Digital VelociRaptor (300 GB, 10,000 RPM). The Western Digital Raptor (often marketed as WD Raptor, 2.5" models known as VelociRaptor) is a discontinued series of high performance hard disk drives produced by Western Digital first marketed in 2003.

  5. Solid-state drive - Wikipedia

    en.wikipedia.org/wiki/Solid-state_drive

    SSD benchmark, showing about 230 MB/s reading speed (blue), 210 MB/s writing speed (red) and about 0.1 ms seek time (green), all independent from the accessed disk location. Traditional HDD benchmarks tend to focus on the performance characteristics such as rotational latency and seek time. As SSDs do not need to spin or seek to locate data ...

  6. Hard disk drive performance characteristics - Wikipedia

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

    The first HDD [11] had an average seek time of about 600 ms. [12] and by the middle 1970s, HDDs were available with seek times of about 25 ms. [13]Some early PC drives used a stepper motor to move the heads, and as a result had seek times as slow as 80–120 ms, but this was quickly improved by voice coil type actuation in the 1980s, reducing seek times to around 20 ms.

  7. Hybrid drive - Wikipedia

    en.wikipedia.org/wiki/Hybrid_drive

    WD's Black2 drive is a typical example; the drive can either be used as a distinct SSD and HDD by partitioning it appropriately, or software can be used to automatically manage the SSD portion and present the drive to the user as a single large volume. [8]