ASUS WS C621E SAGE(BMC) LGA 3647 EEB Form Factor - Intel C621 chipset - 12x DIMM DDR4 (Max. 768GB) Memory - 2x PCIe X16 (X8 mode), 2x PCIe X16 (single at X16, dual at X8/X8), 3x PCIe X16 (X16 mode) - 8x SATA 6Gb/s ports - 1x M.2 connector - 4x U.2 connector - USB Ports: 7x USB2.0, 8x USB3.1 Gen.2 - 2x Intel I210-AT Gigabit LAN - Realtek ALC S1220A 7.1-Channel High Definition Audio - 3 Years Limited Warranty