Server mainboard form factor e atx supports multi core processors 18 core compatible cpus intel xeon e5 1600 intel xeon e5 2600 processor codename haswell e chipset intel c612 memory slot 24 ram operation mode quad channel ram type ddr4 memory clock speed 2 133 mhz specification pc4 17000 pcie 30 pcie 20 support number of pci x x 16 slots 1 network port 3 x rj45 lan ports video connector 1 x vga back panel io ports 2 x usb30 1 x comser int