The 2.8 GHz &174; Processor from Dell™ gives your enterprise server the power to evolve in manageable ways. This processor architecture places execution cores, or computational engines, within a single processor. This processor, with 800 MHz bus speed, offers excellent performance & headroom for peak Internet server loads, resulting in faster response times, support for more users & enhanced scalability. It has been tested & validated for your Dell™ System. This processor is fully supported by Dell™ Technical Support when used with a Dell™ system.