Intel Xeon Processor Scalable Family, Single Socket P (LGA 3647) supported, CPU TDP support 165W Intel C621 Chipset Up to 768GB ECC 3DS LRDIMM, up to DDR4-2666MHz; 6x DIMM slots Expansion slots: 2 PCI-E 3.0 x16, 1 PCI-E 3.0 x8 (in x8) 2 GbE LAN ports 12 SATA3 (6Gbps) via C621 Supports 12V DC power input 4-pin Internal power connector 5 USB 3.0 (2 rear, 1 Type-A, 2 via header), 6 USB 2.0 (2 rear, 4 via headers) I/O: 1 VGA, 2 COM, TPM header