Supermicro SuperServer SYS-7039A-I Dual Socket P (LGA 3647) support 2nd Gen Intel® Xeon® Scalable processors (Cascade Lake/Skylake)‡ 16 DIMMs; up to 4TB 3DS ECC DDR4-2933MHz RDIMM/LRDIMM, Supports Intel® Optane™ DCPMM†† 4 PCI-E 3.0 x16, 2 PCI-E 3.0 x8 slots, M.2 Interface: PCI-E 3.0 x4 M.2 Form Factor: 2260, 2280, 22110 M.2 Key: M-Key, 2 PCI-E 3.0 NVMe x4 Internal Port(s) 2x 1GbE LAN ports 7.1 HD Audio 4 Internal fixed 3.5" drive bays, 2 5.25" peripheral drive bays 1 M.2 slot, 2 NVMe support with optional cables 1200W High-efficiency Power Supply Platinum Level Certified