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 4TB Intel® Optane™ Persistent Memory 200 Series, DDR4-3200MHz, in 18 DIMM slotsP1-DIMMB2 and P2-DIMMB2 are reserved for Intel Optane Persistent Memory 200 Series only. 2 PCIe 4.0 x8, 4 PCIe 4.0 x16, 2 PCIe 4.0 NVMe x8 Internal Port(s) M.2 Interface: 1 PCIe 4.0 x4 M.2 Form Factor: 2280/22110 M.2 Key: M-Key Intel® C621A controller for 14 SATA3 (6 Gbps) ports; RAID 0,1,5,10 Dual LAN with Intel® i350 Gigabit Ethernet Controller 2 VGA (1 rear bezel, 1 front panel) ports