HighPoint RocketRAID 2680SGL 8-Channel PCI-Express x4 SAS 3Gb/s RAID Controller Direct Connect up to 8 3Gb/s SAS or SATA Hard Drives RAID level 0,1,5,10,50, JBOD PCI-Express x4 2 Internal Mini-SAS port Low Profile Direct Connect up to 8 3Gb/s SAS or SATA Hard Drives RAID level 0,1,5,10,50, JBOD PCI-Express x4 2 Internal Mini-SAS port Low Profile OS Support: Windows Server 2012, 2008R2 / Windows 8, 7, Vista (32/64-bit), FreeBSD, Linux