Intel this afternoon finally made its Nehalem-based Xeon processors available to a wider audience. First introduced in the Mac Pro, the single-socket Xeon 3500 (not used by Apple) and the dual-socket Xeon 5500 share the same roots as Core i7 and drop the old northbridge system controller and system bus in favor of a point-to-point architecture known as the QuickPath Interface that talks directly
