Socket 2011 3 motherboard series asrock fatal1ty x99 form factor atx supports multi core processors 18 core compatible cpus intel core i7 extreme edition processor codenames broadwell e haswell e chipset intel x99 cpu support to 160 watt memory slot 8 ram operation mode quad channel ram type ddr4 memory clock speed 2 133 mhz memory clock speed oc max 3 300 mhz specification pc4 17000 specification oc max pc4 26400 maximum memory expansion 128 g