what is the point of eSATA?

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Sharks445

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Mar 10, 2014
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Why create a different plug called esata when you could just use the regular sata? It would offer better compatibility, better speeds and less compatibility issues. Why didn't the sata company use sata for internal and external connections? It would make more sense to use one standard instead of two, and plus, an external sata port can allow you to use an internal HD outside, and even use ssds as a pen drive.



Also, is there such thing as sata to USB adapters? I want to use my hard disk externally
 
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Someone Somewhere
eSATA runs at exactly the same speed as SATA. It's also rated for significantly more insert/remove cycles (5K instead of 50), has extra shielding, longer distances, and a pile of other stuff. You're not technically allowed to run SATA outside a case because of FCC issues.

You cannot run power down SATA, so no chance of a pen drive. You can down eSATAp, though.

The Wikipedia article may be useful.

If you want to run a 3.5" drive, you'll need a power brick to get the 12V.
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Someone Somewhere

Someone Somewhere

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Sep 23, 2012
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eSATA runs at exactly the same speed as SATA. It's also rated for significantly more insert/remove cycles (5K instead of 50), has extra shielding, longer distances, and a pile of other stuff. You're not technically allowed to run SATA outside a case because of FCC issues.

You cannot run power down SATA, so no chance of a pen drive. You can down eSATAp, though.

The Wikipedia article may be useful.

If you want to run a 3.5" drive, you'll need a power brick to get the 12V.
 
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Pinhedd

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Aug 7, 2007
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Exactly this.

Many motherboards and cases that provide additional eSATA connectors on either the front panel or as an auxiliary connector on the back use a SATA connector internally and simply convert the physical interface to the eSATA externally.
 
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