Full Details on Amazon.com : http://www.amazon.com/gp/product/B0044CPEUQ?tag=tsukuyomi-20
HighPoint RocketRAID 2721 4-Port Internal / 4 Port External SAS 6Gb/s PCIe 2.0 x8 RAID HBA
6Gbs 600MBs data transfer rate
Major OS support includes Windows Linux Free BSD and Mac OS X 107x Lion only for RocketRAID 2722 and 2744
PCI-Express 20 x8
1 External 1 Internal Mini-SAS ports
RAID level 0 1 5 10 50 and JBOD
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