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  2. History of hard disk drives - Wikipedia

    en.wikipedia.org/wiki/History_of_hard_disk_drives

    2009 - Western Digital is the first to offer a 1 TB hard drive in a 2.5 inch form factor. [57] 2009 – Western Digital ships first HDD with dual stage piezoelectric actuator [58] 2010 – First hard drive manufactured by using the Advanced Format of 4,096‑byte sectors instead of 512‑byte sectors. [59]: Overview

  3. Travelstar - Wikipedia

    en.wikipedia.org/wiki/Travelstar

    A Hitachi Travelstar 80GN 60GB hard drive (front and back) Travelstar was a brand of 2.5-inch hard disk drive (HDD) that was introduced by IBM in 1994 with the announcement of the Travelstar LP. At 12.5 mm high with two platters , they were available in 360, 540 and 720 MB capacities.

  4. Hard disk drive - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive

    Software reports hard disk drive or memory capacity in different forms using either decimal or binary prefixes. The Microsoft Windows family of operating systems uses the binary convention when reporting storage capacity, so an HDD offered by its manufacturer as a 1 TB drive is reported by these operating systems as a 931 GB HDD.

  5. Solid-state drive - Wikipedia

    en.wikipedia.org/wiki/Solid-state_drive

    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] HDDs, as of early 2018, were priced around $0.02 to $0.03 per gigabyte for 1 TB models. [23] Storage capacity

  6. List of disk drive form factors - Wikipedia

    en.wikipedia.org/wiki/List_of_disk_drive_form...

    Enterprise-class drives can have a height up to 15 mm. Seagate released a 7 mm drive aimed at entry level laptops and high end netbooks in December 2009. Western Digital released on April 23, 2013 a hard drive 5 mm in height specifically aimed at Ultrabooks. [37] Toshiba MK1216GSG 1.8" 120 GB hard disk drive with Micro SATA

  7. History of IBM magnetic disk drives - Wikipedia

    en.wikipedia.org/wiki/History_of_IBM_magnetic...

    There are seven models of the 1311 disk drive. The first drive attached to a system is a "master drive" which contains the controller and can control a number of Model 2 "slave drives." [34] Master drive on an IBM 1440, IBM 1460, or IBM 1240 system and can control up to four Model 2 drives. Introduced October 11, 1962.

  8. USPS Is Finally Releasing a Betty White Stamp in 2025 to ...

    www.aol.com/usps-finally-releasing-betty-white...

    Betty White’s face will be gracing postage stamps soon!. The U.S. Postal Service (USPS) announced the stamp designs for 2025 on Friday, Nov. 15, revealing that one of the stamps will be a ...

  9. 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.

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