Info: CPU: LGA 1366 for Intel Core i7 Processor RAM: 6 x DIMM, Max. 24GB DDR3 Expansion Slots: - 4 PCIe 2.0 x16 - 1 x PCIe x4 - 1 x PCI 2.2 Multi-GPU: ATI Quad-GPU CrossFireX / NVIDIA 3-Way SLI LAN: Gigabit Intel LAN Audio: 8-ch HD, DTS, Blu-ray audio layer Content Protection Storage: - 2x SATA 6 Gb/s - 7x SATA 3Gb/s - 1x eSATA USB: - 9x USB 2.0 + 2x USB 3.0/2.0 1394a Firewire: 2 ports Overclocking Features: - ROG Connect - RC Bluetooth - ROG Extreme Engine Digi+ - ProbeIt - iROG - Extreme Tweaker - BIOS Flashback with onboard switch button - USB BIOS Flashback - Loadline Calibration - ROG E