ASUS Maximus IV Gene -Z - intel z68 chipset - lga 1155 for intel 2nd generation core i7/core i5 and core i3 processors - supports intel turbo boost technology 2.0 - atx form factor, 4x ddr3 (max 32gb 2200mhz oc),2x pcie 2.0 x16 (x16 or dualx8), 1x pcie 2.0x4, 2x sata 6gb/s, 4x sata 3gb/s (raid 0,1,5,10), 4x usb 3.0, 12x usb 2.0, special features: asus turbov evo, rog connect, 10/100/1000gb lan, bluetooth v2.1+edr, supremefx x-fi 2 built in 8 channel high definition audio, back panel: 1x ps/2 kb/m combo port, 1x hdmi, 2x esata 3gb/s, 1x rj45, 2x usb 3.0, 8x usb 2.0, 1x optical s/pdif out, 6x audio jacks