Socket 2011 3 motherboard series asus x99 form factor micro atx supports multi core processors quadcore compatible cpus intel core i7 extreme edition intel xeon e5 1600 intel xeon e5 2600 processor codename haswell e chipset intel x99 cpu support to 160 watt memory slot 4 ram operation mode quad channel ram type ddr4 memory clock speed 2 133 mhz memory clock speed oc max 3 200 mhz specification pc4 17000 specification oc max pc4 25600 maximum m