Hi,
I think you might look for Highpoint rocketraid solutions.
They have drivers for Osx so they do work under Osx.
They "might" even be bootable on a hackintosh.
Ex:
http://barefeats.com/hard64.htmlNB: You'll see in the test that you loose sleep function when using such a card.
Don't know if it's the case with all cards, but I experience the same problem with my areca 1222 sas controller (bootable)