Supermicro MBD-X12DAI-N6-O motherboard Intel C621A LGA 4189 Extended ATX

3rd Gen Intel® Xeon® Scalable processors Dual Socket LGA-4189 (Socket P+) supported, CPU TDP supports Up to 270W TDP, 3 UPI up to 11.2 GT/s Intel® C621A Up to 4TB 3DS ECC RDIMM, DDR4-3200MHz; Up to 4TB 3DS ECC LRDIMM, DDR4-3200MHz Up to 6TB Intel® Optane™ Persistent Memory 200 Series, DDR4-3200MHz, in 16 DIMM slots; Up to 6TB Intel® Optane DC Persistent Memory in memory mode. 5 PCI-E 4.0 x16, 1 PCI-E 4.0 x8, 4 PCI-E 4.0 NVMe x4 Internal Port(s) M.2 Interface: 2 PCI-E 3.0 x4, RAID 0 & 1 M.2 Form Factor: 2280/22110 M.2 Key: M-Key 1 VGA D-Sub Connector port Intel® C621A controller for 10 SATA3 (6 Gbps) ports; RAID 0,1,5,10 Dual LAN with Intel® i210 Gigabit Ethernet Controller