Highpoint RocketStor 6418S 8-Bay 6Gb/s SAS/SATA Tower Enclosure External 8-Bay 6Gb/s SAS/SATA Tower Enclosure Each Hot-Swap Drive Tray supports 2.5"/3.5" SAS/SATA HDD/SSD Designed for use with RocketRAID 4522, RocketRAID 2722, RocketStor 6328L, RocketStor 6328, RocketRAID 3622. Optional Cable (not included): Ext-MS-1MMS - Mini-SAS to Mini-SAS Cable Mac and PC compatible