Supports all brands of 2.5’ and 3.5’ SATA I/II/III hard disk drive up to 6TB per drive up to 5 x 6TB. Support hard drive transfer rate up to SATA III Raid Support: RAID 0, RAID 1, RAID 3, RAID 5, Raid 10, SPAN, and JBOD eSATA interface requires Port Multiplier w/ FIS-based switching on main computer to enable access to multiple HDDs simultaneously