Supermicro MBD-X11SPA-TF-O motherboard Intel® C621 LGA 3647 (Socket P) Extended ATX

Dual socket R3, LGA 2011, Intel Xeon processor E5-2600 v3, Intel C612 Express chipset, Up to 1TB ECC DDR4 2133MHz, 16x DIMM sockets, Intel i350 Dual port GbE LAN, 10x SATA3, 6x USB 3.0, Retail Pack

Intel Xeon E5-2600 v4/3, Dual socket R3 (LGA 2011), Intel C612 chipset, Up to 1TB ECC 3DS LRDIMM, up to DDR4- 2400 MHz, 8x DIMM, Quad GbE LAN, 10x SATA3 (6Gbps), RAID 0, 1, 5, 10, Standard Retail Pack

Dual socket R3, LGA 2011, Intel Xeon E5-2600 v3, Intel C612 chipset, Up to 1TB ECC DDR4 2133MHz, 16x DIMM, Intel X540 Dual port 10GBase-T, 5x USB 3.0, 6x USB 2.0, Retail Pack

Dual socket R3 (LGA 2011), Intel Xeon E5-2600v3, 9.6GT/s, Intel C612, Up to 512GB ECC DDR4, 2133MHz, 8x DIMM, Intel i210 Dual GbE LAN, Integrated IPMI 2.0 and KVM with Dedicated LAN