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SATA ○˒｜Definition｜1st｜20261025155446-00-⌔

SATA - Wikipedia

SATA

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SATA (Serial AT Attachment)12 is a computer bus interface announced in 200034 that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives. Revision 1.0 of the specification was released in January 2003.2 Serial ATA succeeded the earlier Parallel ATA (PATA) standard to become the predominant interface for storage devices.

Its advantages over the earlier PATA interface include reduced cable size and cost (seven conductors instead of 40 or 80), native hot swapping, faster data transfer through higher signaling rates, and more efficient transfer through an (optional) I/O queuing protocol.

Serial ATA industry compatibility specifications originate from the Serial ATA International Organization (SATA-IO) which are then released by the INCITS Technical Committee T13, AT Attachment (INCITS T13).5

Printed 2026-10-25.

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Footnotes

  1. “AT” is derived from the IBM Personal Computer/AT. IBM did not specify a meaning for AT and neither did the Serial ATA International Organization in the specification document. The standard is marketed as Serial ATA, but SATA is the most common name. ↩

  2. “Serial ATA: High Speed Serialized AT Attachment” (PDF). ece.umd.edu. Serial ATA Working Group. January 7, 2003. Archived from the original (PDF) on October 9, 2016. Retrieved 2016-02-21. ↩ ↩2

  3. “Seagate, APT and Vitesse Unveil the First Serial ATA Disc Drive at Intel Developer Forum”, Seagate Technology, Aug. 22, 2000 ↩

  4. Andrawes, Mike. “Intel IDF Report #2 - Serial ATA & USB 2.0”. AnadTech. Future plc. Archived from the original on September 13, 2011. Retrieved 30 August 2020. ↩

  5. “Technical Committee T13, AT Attachment”. Technical Committee T13 AT Attachment. March 1, 2011. Retrieved July 8, 2019. ↩

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