mini-ITX ( 6.7" x 6.7" ) Supports AMD Ryzen 5000 Series Desktop Processors 4 DIMM slots (2DPC), supports ECC/non-ECC SODIMM 1 PCIe 4.0 x16 2 OCuLink (PCIe 4.0 x4 or 4 SATA 6Gb/s) Supports 1 M. 2 (PCIe 4.0 x4 or SATA 6Gb/s) 9 SATA 6Gb/s 2 RJ45 (10GbE) by Intel® X550-AT2 Remote Management (IPMI)