4U, 2x LGA4189 (up to 270W), 16x DIMM DDR4 3200MHz, 2x DIMM Optane, 36x 3.5" SAS3/SATA3 (2 expander based backplane), 2x 2.5" SAS3/SATA3 rear, 2x 10GBase-T, Broadcom 3808 SAS3, OOB, 2x 1600W