JB 3000 4U/ 60bay Dual redundant controller expansion enclosure 6x12Gb SAS, 2x(PSU+FAN), 2x12G to 12G SAS,60x3.5" drive trays and 1xRackmount kit (JB 3060RL) (repl JB3060R2L00-8U32,JB3060R1L00-8U32) (JB3060R3L00-8U32)