Dual sockets P+ (LGA-4189) 3rd Gen Intel® Xeon® Scalable processors CPU TDP supports Up to 270W TDP 3 UPI up to 11.2 GT/s Intel® C621A Chipset 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 slots (P1-DIMMB2 and P2-DIMMB2 are reserved for Intel® Optane Persistent Memory 200 Series only) 4 PCI-E 4.0 x16 Low Profile (LP) 2 PCI-E 4.0 x8 Low Profile (LP) Dual Gigabit LAN with Intel® i350 Ethernet Controller