The Z640 Rackable Minitower Workstation from HP delivers powerful performance in a 4U rackable minitower form factor and is designed for professionals who require high reliability. The Z640 is well suited for tasks such as intensive graphics, 3D rendering, and multimedia, as well as science and engineering applications. The system is powered by dual 2.1 GHz Intel Xeon E5-2620 v4 processors armed with eight cores on each CPU, for a total of 16 cores. There is also 20MB of Intel Smart Cache per processor, for a total of 40MB. These processors, cores, and cache will allow you to run multiple applications simultaneously and provide significant performance gains when running multi-threaded tasks. If you need more power, the CPU can deliver extra performance by increasing the clock speed up to 3.0 GHz utilizing Intel's Turbo Boost 2.0 technology.