ASRock X79 Extreme6 [More USB 3.0 Ports w/ Front-Panel Connectors]
8 x DDR3 Slots (1066MHz-2400MHz) Up To 64GB
5 x SATA3 Ports, 4 x SATA2 Ports
3 x PCIe 3.0 x16 Slots
6 x USB 3.0 Ports, 10 x USB 2.0 Ports
Supports Quad AMD CrossFireX & nVidia SLI
Includes USB 3.0 Header For 3.5" Bay