ASUS ROG RAMPAGE IV GENE LGA 2011 DDR3 SATA 6Gb/s USB 3.0 Intel X79 microATX Motherboard 3 x PCIe 3.0 x16 (single x16; x16/x16 configurations; the 3rd one always supports x8 mode) AMD CrossFireX and NVIDIA SLI support 2 x SATA 6Gb/s ports (Red) with RAID 0, 1, 5, 10 support 4 x USB 3.0/2.0 ports (2 at back panel; 2 at midboard) 1 x LAN featuring Intel Chipset 4 x DIMM Slots, Quad-channel DDR3 2400(O.C.)/2133(O.C.)/1866/1600/1333/1066 MHz Support 8-CH High Definition Audio, DTS