17cm x 17cm, 4x DDR4 DIMM sockets

Intel Xeon D-1557, Single socket FCBGA 1667, 12-Core, 24 Threads, 45W, System on Chip, Up to 128GB ECC RDIMM DDR4 2133MHz or 64GB ECC/non-ECC UDIMM in 4 sockets, Dual 10GbE LAN and dual 1GbE LAN, Retail Pack

Intel Celeron J1900, Up to 8GB 1333MHz DDR3L Non-ECC SO-DIMM, 1x PCI-E x2, 2 x SATA 2.0, Intel HD Graphics, Intel i210AT dual port GbE LAN

Intel Celeron J1900, Intel Silvermont, Up to 8GB 1333MHz DDR3L Non-ECC SO-DIMM, Intel HD Graphics, Intel i210AT, 1x USB 3.0, 5x USB 2.0, 4x COM, 1x DOM, 12VDC, Bulk Pack

Intel Xeon E5-2600v3, 9.6GT/s, Intel C612, 1TB ECC DDR4, Intel X540, Dual port 10GBase-T, Bulk Pack

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

ATX, 8x 288-pin DDR4 DIMM, 2x LGA 2011, 4x USB 3.0, 3x USB 2.0, 1x PCI-E 3.0 x16, 2x PCI-E 3.0 x8