Socket 2011 3 motherboard form factor micro atx supports multi core processors 18 core compatible cpus intel core i7 processor codename haswell e chipset intel x99 memory slot 4 ram operation mode quad channel ram type ddr4 memory clock speed 2 133 mhz specification pc4 17000 maximum memory expansion 64 gb pcie 30 pcie 20 support number of pci x x 16 slots 3 network port 2 x rj45 lan ports back panel io ports 1 x ps2 4 x usb20 4 x usb30 i