ATX 12’’ x 9.6’' Supports 2nd Gen. Intel Xeon Scalable Processors / Intel Xeon Scalable Processors Supports Six Channel DDR4 2933/2666/2400/2133 RDIMM/LR DIMM Intel Optane™ DC Persistent Memory in memory mode (Cascade Lake only) Supports 13 x SATA3 6.0 Gb/s by Intel C621 (including 1x SATA DOM ports and 2x M.2 ports) Supports 2 PCIe3.0x 16 3 PCIe 3.0x8 1 PCIe 3.0 x4 (share information mark in below table)