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  2. ST-506/ST-412 - Wikipedia

    en.wikipedia.org/wiki/ST-506/ST-412

    The ST-506 HDD was the first 5.25 inch hard disk drive, introduced in 1980 [3] by Shugart Technology (now Seagate Technology).It stored up to 5 megabytes after formatting (153 cylinders, 4 heads, 32 sectors/track, 256 bytes/sector) [4] and cost US$1,500 (equivalent to $5,547 in 2023). [5]

  3. Shingled magnetic recording - Wikipedia

    en.wikipedia.org/wiki/Shingled_magnetic_recording

    Seagate started shipping device-managed SMR hard drives in September 2013, stating an increase in overall capacity of about 25% compared to non-shingled storage. [1] [11] In September 2014, HGST announced a 10 TB drive filled with helium that uses host-managed shingled magnetic recording, [12] although in December 2015 it followed this with a 10 TB helium-filled drive that uses conventional ...

  4. Two-dimensional magnetic recording - Wikipedia

    en.wikipedia.org/wiki/Two-dimensional_magnetic...

    Two-dimensional magnetic recording (TDMR) is a technology introduced in 2017 in hard disk drives (HDD) used for computer data storage. Most of the world's data is recorded on HDDs, and there is continuous pressure on manufacturers to create greater data storage capacity in a given HDD form-factor and for a given cost.

  5. Track (disk drive) - Wikipedia

    en.wikipedia.org/wiki/Track_(disk_drive)

    A track is a physical division of data in a disk drive, as used in the Cylinder-Head-Record (CCHHR) addressing mode of a CKD disk. The concept is concentric, through the physical platters, being a data circle per each cylinder of the whole disk drive. In other words, the number of tracks on a single surface in the drive exactly equals the ...

  6. Seagate Technology - Wikipedia

    en.wikipedia.org/wiki/Seagate_Technology

    It was the first hard disk to fit the 5.25-inch form factor of the Shugart mini-floppy drive. It used a Modified Frequency Modulation (MFM) encoding [6] [7] and was later released in a 10 MB version, the ST-412. With this, Seagate secured a contract as a major OEM supplier for the IBM XT, IBM's first personal computer to contain a hard disk.

  7. SeaTools - Wikipedia

    en.wikipedia.org/wiki/SeaTools

    SeaTools is a computer hard disk analysis software developed and released by Seagate Technology. It exists as a version for DOS (bundled in a bootable medium with FreeDOS) and Microsoft Windows. It can perform short and long drive self-tests and read/write tests, extract S.M.A.R.T. indicators and drive information, and perform advanced tests ...