ASUS P8H67-M PRO H67 Motherboard S1155 Support E3-1230CPU Over Z68 Intel Socket 1155 for 2nd Generation Core i7/Core i5/Core i3 Processors 4 x DIMM, Max. 32GB, DDR3 1333/1066 Hz Memory Multi-VGA output support : HDMI/DVI/RGB ports. Supports AMD Quad-GPU CrossFireX Technology 1 x PCIe 2.0 x16 (blue) 1 x PCIe 2.0 x16 (x4 mode, black) 2 x PCI 1 x PS/2 keyboard/mouse combo port(s) 1 x DVI 1 x D-Sub 1 x HDMI 1 x LAN (RJ45) port(s) 2 x USB 3.0 4 x USB 2.0 1 x Optical S/PDIF out 6 x Audio jack(s)