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eSATA

Webopedia Staff
Webopedia Staff
Updated on:

External Serial Advanced Technology Attachment (eSATA) is an extension to the Serial ATA standard that enables SATA drives to be attached externally.

Prior to eSATA, external hard drives were connected via USB 2.0 or FireWire. While eSATA can provide faster transfer rates than USB or FireWire, it requires its own power connector. Other terms commonly used for eSATA include eSATA/USB Combo and external SATA.

Recommended Reading: Understanding SCSI, ATA, SAS and SATA.

Webopedia Staff
Webopedia Staff
Since 1995, more than 100 tech experts and researchers have kept Webopedia’s definitions, articles, and study guides up to date. For more information on current editorial staff, please visit our About page.

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