mini-ITX (6.7" x 6.7") Supports AMD Ryzen™ 5000 Series Desktop Processors 4 DIMM slots (2DPC), supports ECC/non-ECC SODIMM 1 PCIe4.0 x16 2 OCuLink (PCIe4.0 x4 or 4 SATA 6Gb/s) Supports 1 M.2 (PCIe4.0 x4 or SATA 6Gb/s) 9 SATA 6Gb/s 2 RJ45 (10GbE) by Intel® X550-AT2 Remote Management (IPMI)