Building a Socket 775 machine? Start with the XFX nForce 650i Ultra Motherboard. Designed for Intel CPUs like the Core 2 Extreme, Core 2 Duo, and Core 2 Quad series, this board has the NVIDIA nForce 650i Ultra MCP chipset capable of 1333 MHz FSB with the right CPU. Connect your high-end graphics and other components via a PCI Express x16 slot and two PCI-Express x1 slots. It has integrated Gigabit LAN connections for fast communications. There are three PCI slots and the system memory supports up to 8GB. The XFX nForce 650i Ultra has 8 USB 2.0 ports, capability for several RAID configurations, up to four SATA drives, and comes loaded with XFX and NVIDIA technology.