4U, 72xSATA/SAS HS 3,5" bay, 2* 7mm 2.5" top HS bay, Pavo ( 2xs3647 up to 165W, 16xDDR4 DIMM, 2x10GbE SFP+ +2x1GbE, w/o IOC, dedicated BMC,AST2500), 3x24?port 12 Gb EOB SAS backplane with 2 x 8i SAS Slimline connectors, bridge board with LSI300