Socket 1151 mainboard series asrock z270 form factor e atx supports multi core processors quadcore compatible cpus intel core i3 intel core i5 intel core i7 processor codenames skylake kaby lake chipset intel z270 cpu support to 95 watt memory slot 4 ram operation mode dual channel ram type ddr4 memory clock speed 2 133 mhz memory clock speed oc max 4 133 mhz specification pc4 17000 specification oc max pc4 33064 maximum memory expansion 64 g