Socket 1151 mainboard form factor atx compatible cpus intel celeron intel core i3 intel core i5 intel core i7 intel pentium processor codenames skylake kaby lake chipset intel z270 memory slot 4 ram operation mode dual channel ram type ddr4 memory clock speed 2 400 mhz memory clock speed oc max 4 000 mhz specification pc4 19200 specification oc max pc4 32000 maximum memory expansion 64 gb pcie 30 number of pci x x 16 slots 3 number of pci x