this one responds to eSATA or usb-3.0
http://www.addonics.com/category/s525.php
I have use one of these for the past 3 years…love it… (usb 2.0)
http://www.addonics.com/category/z_family.php
unfortunately the website says they are discontinued
on amazon.com
usb 2.0 & firewire version
Later,
Brain