Partition alignment

Partition alignment is the proper alignment of partitions to the boundaries available in a data storage device.

Examples include the following:

  • 4 KB sector alignment with hard disk drives supporting Advanced Format (AF)
  • Track partition alignment, partitions starting on track boundaries on hard disk drives
  • Cylinder partition alignment, partitions starting on logical or physical cylinder boundaries on hard disk drives
  • SSD partition alignment, partitions starting on NVM boundaries (with typically 4 KB to 1 MB in LBAs size) on SSDs and other flash-based memory devices
  • RAID stripe alignment, partition alignment based on stripe boundaries

See also

  • Advanced Format
  • Data striping
Disambiguation icon
Index of articles associated with the same name
This article includes a list of related items that share the same name (or similar names).
If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.