WS C246M PRO Mini-ATX, LGA 1151 (H4), 4x DDR4 DIMM (to 128GB ECC UDIMM), 6x USB 3.0/3.1 (4 rear), 68x SATA, 1x PCIE x16, 1x PCIE x8, 1x PCIE x1, 1xM.2 2280, LAN 2x 1Gb, Video AT2500, Audio RTL {5)