FAQ - Frequently Asked Questions - Knowledge Base
What is eSATA?
eSATA is an extension to Serial ATA standards to enable SATA drives to be attached externally.
Before eSATA, external hard drives were connected via USB or FireWire. eSATA can provide data transfer rates significantly faster than USB or FireWire.
eSATA 1.5 offers data rates up to 150MBps.