Sans Digital TR4X-B 4 Bay SAS/SATA JBOD Storage Enclosure (Black) Four 3.5-inch SAS or SATA hard disk drives to SFF-8088 Mini-SAS interface. Supports JBOD, spanning, RAID 0, 1, 1+0, 5, 6 with spare via RAID controller. Supports Areca, LSI, Intel, 3ware, Adaptec, HighPoint SAS or SATA RAID controllers. Cable-less backplane design supporting hot-swappable SATA I, SATA II and SAS hard drives. Supports PC, MAC and Linux. (Please check HBA or RAID controller driver compatibility.)