2nd Generation Intel Xeon Scalable Processors (Cascade Lake-SP), Intel Xeon Scalable Processors. , Single Socket P (LGA 3647) supported, CPU TDP support 165W TDP Up to 1. 5TB 3DS ECC RDIMM, DDR4-2933MHz; Up to 1. 5TB 3DS ECC LRDIMM, DDR4-2933MHz, in 6 DIMM slots; Up to 1TB Intel Optane DC Persistent Memory in memory mode (Cascade Lake Only) Intel C622 chipset Expansion slots: 2 PCI-E 3. 0 x16, 1 PCI-E 3. 0 x8 (in x8) 2 10G SFP+ 12 SATA3 (6Gbps) via C622 Supports 12V DC power input I/O: 1 VGA, 2 COM, 1 TPM header 5 USB 3. 0 (2 rear, 1 Type-A, 2 via header), 6 USB 2. 0 (2 rear, 4 via headers) M. 2 NGFF connector M. 2 Interface: PCI-E 3. 0 x4 Form Factor: 2242, 2280 Key: M-Key Double Height Connector