J4024-04-35X J4024-04-35X is an innovative 4U24 JBOD that integrates 3.5″ SAS (12G, dual) / SATA (6G, single) disk drive, Broadcom SAS35X-Series expander chip, and board-to-board connection design into a compact and stable system with exceeding productivity Datasheet Manual Firmware FeaturesBoard to board connections no signal cable and no PSU cableTool-less designHot-swap expander module, drives, PSU and fansShort-depthClear indicatorsOptimized thermal solutionBMC onboard