Product DescriptionThe Rampage Formula motherboard supports the latest Intel Core 2 processors in an LGA775 package. It can also support Intel next-generation 45nm Multi-Core CPU's. With Intel Core micro-architecture technology and 1333 / 1066 / 800 MHz FSB, the Intel Core 2 processor is one of the most powerful and energy efficient CPUs. 1600/1333/1066/800 MHz Front Side Bus Dual Gigabit LAN controllers, both featuring AI NET2 Pin-Fin Thermal Module Design SupremeFX II 8-CH Audio 2-Phase DDR2 LCD Poster Voltiminder LED COP EX Intel ICH9R Intel Fast Memory Access Technology Support ATI CrossFire graphics cards Back Panel I/O Ports - 1x PS/2 Keyboard, 1x IEEE 1394a, 2x LAN(RJ45) port, 6x USB 2.0/1.1, 1x Clr CMOS switch, 1x Optical + 1x Coaxial S/PDIF Output, 3x USB connectors supports additional 6 USB 2.0 ports, 1x Floppy disk drive connector, 1x IDE connector, 6x SATA connectors, 1x IEEE 1394a connector, 1x CPU Fan connector, 3x Chassis Fan connector, 1x Power Fan connector, 8x Fan connectors (1x CPU / 1x PWR / 3x Chassis / 3x Optional), 1x S/PDIF Out connector, 1x 8-pin ATX 12V Power connector, 24 Power connector, 3x thermal sensor connector, 1x En/Dis-able Clr CMOS connector, Chassis Intrusion connector, and System Panel Expansion Slots - 2x PCIe 2.0 x16, support at full x16 speed, 3x PCIe (compatible with audio slot), and 2x PCI 2.2