The Xeon E5405 2 GHz Quad Core processor from Dell is ideal for applications including Internet audio and streaming video, image processing, video content creation, speech, 3D, CAD, games, multimedia and multitasking user environments. The processor features 1333 MHz bus speed and an integrated L2 cache of 12 MB giving the processor core faster access to larger amount of data used most often. The incorporated Extended Memory 64 Technology (EM64T) enables it to access large amounts of memory allowing the user extended physical and virtual memory with supporting hardware and software. With all these features and more, the Xeon E5405 2 GHz Quad Core processor delivers power, performance and flexibility you need, providing you the platform to work with simultaneous applications seamlessly.