Serial ATA

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Serial SATA (SATA, S-ATA/Serial Advanced Technology Attachment) is a serial interface to transfer data from computer systems to storage devices such as hard drives or DVD drives. SATA is the successor to the earlier parallel IDE / ATA interface. SATA hard drives can also be connected to SAS controllers not only to SATA controllers.

SATA Standards

SATA 1.5Gb/s SATA 3Gb/s SATA 6Gb/s
Protocol revisions SATA revision 1.0 SATA revision 2.0[1] SATA revision 2.6[2] SATA revision 3.0[3] SATA revision 3.1[4]
Raw bandwidth (Gbit/s) 1,5 Gb/s 3 Gb/s 6 Gb/s
Encoding 8b/10b
Transfer speed (MB/s) 150 MB/s 300 MB/s 600 MB/s
NCQ unload yes yes yes
NCQ with isochronous data transfers yes[5] yes
Universal Storage Module yes[6]
required Link Power Management yes
Queued Trim command yes


  1. Serial ATA: Neue Spezifikationen verabschiedet (, 20.04.2004)
  2. IDF: Serial-ATA-Spezifikation 2.6 vorgestellt (, 18.04.2007)
  3. Serial ATA 3.0 veröffentlicht (, 27.05.2009)
  4. SATA-IO Releases Revision 3.1 Specification (, 18.07.2011)
  5. Frequently Asked Questions About SATA 6Gb/s and the SATA Revision 3.0 Specification (
  6. SATA 3.1 mit Universal Storage Module ist fertig (, 20.07.2011)

External links

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