Socket 1151 mainboard form factor atx supports multi core processors quadcore compatible cpus intel xeon e3 1200 v5 intel core i3 processor codename skylake chipset intel c236 cpu support to 91 watt memory slot 4 ram operation mode dual channel ram types ddr4 ecc memory clock speed 2 133 mhz specification pc4 17000 maximum memory expansion 64 gb pcie 30 pcie 20 support number of pci x x 16 slots 3 number of pci x x 1 slots 1 number of pci slots