High Point RocketRAID 2642 4-Channel PCI-Express x4 SAS 3Gb/s RAID Controller Direct Connect up to 4 3Gb/s SAS or SATA Hard Drives RAID level 0,1,5,10, JBOD PCI-Express x4 2 eSATA & 2 SATA port Low Profile Support Windows, Linux, FreeBSD and Mac