Socket 1151 mainboard series asus h170 form factor atx supports multi core processors quadcore compatible cpus intel core i3 intel core i5 intel core i7 processor codename skylake chipset intel h170 cpu support to 91 watt memory slot 4 ram operation mode dual channel ram type ddr4 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 2 number of pci x x 1 slots 4