GIGABYTE MF51-ES0 Server/Workstation Motherboard. 
These boards have extensive I/O. 10Gb/s Base-T Networking, Slimline SAS for U.2 PCI Express NVME SSD's, 3x
x16 PCI Express 3.0 Slots, 2x SATA DOM Ports, 8x Onboard SATA ports, Quad Channel RAM Support, IPMI with KVM. The list goes on.  Full breakdown below.  These are Non-Standard ATX Motherboards Measuring 12inches by 10.5inches. Please check your case for compatibility. Boards have been reset to factory defaults and BIOS/BMC updated. All ports tested. A Grade

-Fearures-
Single Intel Xeon W-2200 and W-2100 Processors (LGA 2066)
Intel C422 Chipset
Quad Channel RDIMM/LRDIMM DDR4 (8 x DIMMs)
Intel® VROC ready
2 x 10Gb/s BASE-T LAN ports (Intel® X550)
2 x 1GbE LAN ports (Intel® I210)
1 x Dedicated management port (IPMI)
8 x SATA III 6Gb/s ports from C422, supports 2 x SATA DOM
2 x U.2 connectors with PCIe Gen3 x4 interface
1 x M.2 slot with PCIe Gen3 x4 interface
3 x PCIe Gen3 x16 and x8 expansion slots
Aspeed AST2500 remote management controller (IPMI/BMC)