USB Alternative

eSATA

eSATA is the external form of Serial ATA, designed for direct-attached external storage.

eSATA characteristics

Compare its storage role, power behavior, common devices, and current status.

Technology family	Serial ATA
Primary purpose	External direct-attached storage
Data	Yes
Hot plugging	Supported by the eSATA standard and compatible hardware
Standard eSATA power	Not provided through the standard eSATA connector; separate powered variants also existed
Typical devices	External hard drives, storage enclosures, and direct-attached storage systems
Current status	Legacy or niche on modern consumer hardware