An eSATA motherboard port can provide power to an external device, but an eSATA port on an adapter cannot.

Name: An eSATA motherboard port can provide power to an external device, but an eSATA port on an adapter cannot.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Neither an eSATA motherboard port nor an eSATA port on an adapter can provide power to an external device. The eSATA standard does not include power delivery, so external devices must have their own power source or use a separate cable for power.

An ESATA Motherboard Port Can Provide Power to an External