HighPoint RocketRAID 2640X4SGL 4-Channel PCI-Express x4 SAS 3Gb/s RAID Controller Support RAID 0, 1, 5, 10 and JBOD Multiple RAID support Multiple logical drive support BIOS booting support Online Array roaming Automatic drive (insert / remove) detection Automatic RAID rebuild 64bit LBA support greater than 2TB per volume Direct Connect up to 4 3Gb/s SAS or SATA Hard Drives RAID level 0,1,5,10, JBOD PCI-Express x4 4 SATA ports Low Profile Support Windows, Linux, FreeBSD