Socket 1156 motherboard form factor micro atx supports multi core processors quadcore compatible cpus intel core i3 intel core i5 intel core i7 8xx processor codename nehalem chipset intel h55 cpu support to 95 watt quickpath interface 64 gts memory slot 4 ram operation mode dual channel ram type ddr3 memory clock speed 2 200 mhz specification pc3 17600 pcie 20 support number of pci x x 16 slots 2 number of pci slots 2 x pci network port 1 x