ATX (12" x 9.6") Supports AMD Ryzen™ Threadripper™ PRO 5000WX/3000WX Support 8 DIMM slots (1DPC), supports ECC/non-ECC UDIMM, RDIMM, LRDIMM, RDIMM-3DS Support 7 PCIe4.0 x16 Support 2 OCuLink (PCIe4.0 x4 or 4 SATA 6Gb/s) Support 2 M.2 (PCIe4.0 x4) Support 12 SATA 6Gb/s Support 2 RJ45 (10GbE) by Intel® X710-AT2 Remote Management (IPMI)