Hard disk drive

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A hard disk drive (HDD), hard disk, hard drive, or fixed disk[b] is an electro-mechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

  • 15.000 RPM, sustained transfer rates of Transfer Rate Up between 125 Mbytes/sec [1] and 204 Mbytes/sec )(2010)[2] depending on product generation
  • 10.000 RPM
  • 7.200 RPM

Related terms

Activities

  1. Learn about SSD storage technology and compare it with HDD technology
  2. Use lsblk and blkid commands in Linux to identify your HDD devices
  3. Use iotop, iostat and sar -d in Linux to assess you disk usage
  4. Read wikipedia:Hard_disk_drive_performance_characteristics

See also

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