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#11
This is an oversimplification. But, it's like USB and eSATA speak different languages. sata can talk to sata, but USB needs an interpreter to speak to sata. Even if you get a USB to esata converter cable, the cable is still speaking USB and has to be interpreted to sata, thus slowing down the process. That is a very oversimplified explanation. I know I am going to be jumped on by others here, but is probably the best way I know to explain why you can't get USB 3.0 speeds from an esata port. I hope that helps you understand it a little better.