The Mercury Elite Pro External is perfect for those who can’t make up thier minds.  Working perfectly on Linux, Mac and Windows, with and USB 2.0, FireWire, and eSATA connectors, you will be hard pressed to find a PC that can’t talk to this drive enclosure.  Head to ExtremeTech to see the full review, and the drives one Achilles heel.
“Normally, users of external hard drives are faced with a limited set of choices. Some products offer dual interfaces, typically FireWire 400 and USB 2.0. Some drives, like Seagate’s 300GB eSATA external drive, give you the speed of a 3Gbps SATA connection, but you need an eSATA port on any system you want to use it with.

Other World Computing (OWC) is a reseller mainly focused on the Apple Macintosh peripheral market, but the external drive works with both Mac OS, Windows, and (with the right drivers) Linux. You can buy a fully configured drive direct from OWC in capacities ranging from 250GB to 750GB. Or you can just buy the enclosure and add your own drive. We tested a 320GB version that OWC sells for $230.”

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