Full Details from Amazon.com : http://www.amazon.com/gp/product/B00399HHSM?tag=onigi-20
HighPoint RocketRAID 644 4 eSATA Port PCI-Express 2.0 x4 SATA 6Gb/s RAID Controller
6Gbs 600MBs data transfer rate
Major OS support includes Windows Linux Free BSD and Mac OSXonly for RocketRAID 2744
PCI-Express 20 x4
4 eSATA ports
RAID level 0 1 5 10 and JBOD
Full Height
VideoDorks
BookDorks
AudioDorks
CssDorks
TVDorks
PhotoDorks
ThemeDorks