2nd Gen Intel Xeon Scalable Processors and Intel Xeon Scalable Processors,Dual Socket LGA-3647 (Socket P) supported, CPU TDP support Up to 205W TDP, 2 UPI up to 10.4 GT/sIntel® C622Up to 3TB 3DS ECC RDIMM, DDR4-2933MHz; Up to 3TB 3DS ECC LRDIMM, DDR4-2933MHz, in 12 DIMM slots;Up to 2TB Intel® Optane DC Persistent Memory in memory mode (Cascade Lake only).1 PCI-E 3.0 x32 Left Riser Slot,1 PCI-E 3.0 x16 Right Riser Slot,1 PCI-E 3.0 x16 for Add-On-Module (AOM)M.2 Interface: PCI-E 3.0 x4M.2 Form Factor: 2242, 2260, 2280, 22110M.2 Key: M-KeyU.2 Interface: PCI-E 3.0 x4,4 PCI-E 3.0 NVMe x4 Internal Port(s)1 VGA portIntel® C622 controller for 14 SATA3 (6 Gbps) ports; RAID 0,1,5,10Dual LAN with 10Gbase-Tfrom C622