Sans Digital TowerRAID TR5M-B 5 Bay SATA to eSATA Port Multiplier JBOD/RAID 0, 1, 1+0, 5 Enclosure (Black) Five 3.5-inch SATA hard disk drives to a single eSATA Port Multiplier interface. Accesses five hard drives using only one cable. Supports JBOD, Spanning, RAID 0, 1, 1+0, 5 with spare via software utilities. Cable-less backplane design supporting hot-swappable SATA I and SATA II. 2-port eSATA PCIe HBA included, to connect up to two units for a maximum of 10 HDDs. Support PC, MAC and Linux.