Doesn't work with my RAID 5 Array,
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This review is from: Tempo Sataii Pro Expresscard 34 2PORT (Personal Computers)
I have a Mac Mini 2.3GHz i5 running OS X Lion Server. I wanted to use Thunderbolt instead of the Firewire 800 port for my 4TB RAID 5 Array. I bought this along with the Sonnet Echo Pro ExpressCard/34 Thunderbolt Adapter thinking it would work with my OWC Mercury Rack Pro (the older model with 4 drive trays, eSATA, Firewire 800, USB 2.0 and built-in RAID controller with port multiplier). But sorry to say, it doesn't do what I had expected it to. RAID doesn't mount on the Desktop with this configuration. When I reconnected my Firewire 800 cable, the RAID came back up.
Prior to purchase, I didn't find any information online whether it was supported it or not, though other eSATA RAIDs from OWC were compatible. So I figured I would give it a try. Well now I know. And hopefully others will learn from my mistake and save some money.