Gigabyte GA-X79-UD3 [Standard Socket 2011 Motherboard]
4 x DDR3 Slots (1066MHz-2133MHz) Up To 32GB
6 x SATA3 Ports, 4 x SATA2 Ports
4 x PCIe 3.0 x16 Slots
4 x USB 3.0 Ports, 14 x USB 2.0 Ports
Supports Quad AMD CrossFireX & nVidia SLI