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  3. January 2008

Re: How is ESATA different from SATA?

On Jan 21, 2008 10:48 PM, <Rick.Chevalier@xxxxxxxxxxxxxxx> wrote:
I'm looking into adding an external drive (or two) to my home PC. A lot of the solutions I'm seeing mention connecting using eSATA. I'm trying to determine if I can use it with the SATA port on my system board of if they aren't compatible. A Google search helped some but still didn't clear things up totally.

Some of the enclosures come with what appears to be an expansion slot connection for the enclosure to connect to. Will this work with the existing SATA port or does it connect to the system differently? I'm wondering if it's actually a PCI card.

SATA and eSATA are electrically the same. However, eSATA uses
different connectors. These adapter cards are not PCI cards, they're
just physical adapters, from an internal SATA port to an eSATA port.
They do not have any logic, they do not consume any power. Similar to
the DVI-I to VGA adapters.


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