Socket 1151 mainboard series gigabyte ga z270 form factor atx supports multi core processors quadcore compatible cpus intel core i7 processor codenames skylake kaby lake chipset intel z270 memory slot 4 ram operation mode dual channel ram type ddr4 memory clock speed 2 133 mhz memory clock speed oc max 4 000 mhz specification pc4 17000 specification oc max pc4 32000 maximum memory expansion 64 gb special feature wi fi pcie 30 pcie 20 supp