4U Rail set, Auto-latch, quick/quick, default 17.2"
20-pcs-Screw for 3.5" HDD Hot-Swap Trays
8pin to Two ( 6+2 Pin) PCIe cable: for 12V GPU Power Cable, 20cm 16/20 AWG
4U SAS3 12Gb/s 24x 3.5" 2-chanel Expender backplane
backPlane - 4U 24x 3.5" SAS3 2-Chanel Expender Backplane Connectivity