ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR Hard Drive HDD HP 800, 2.4 GHz, Intel® Xeon® 5000 Sequence, E5620, 292 GB, HDD, 64-bit HP 800. Processor frequency: 2.4 GHz, Processor family: Intel® Xeon® 5000 Sequence, Processor model: E5620. Memory clock speed: 1333 MHz. Total storage capacity: 292 GB, Storage media: HDD. Operating system architecture: 64-bit https://www.itpro.co.uk/615748/hp-z800-workstation-review The Z800 is a great looking, and very cleverly put together workstation offering tool-less access to the internals. Despite offering simply outstanding levels of performance it runs quietly. The initial costs may be high, but if you depend on performan... https://www.stuff.tv/hp/z800-workstation/review Thats a lot of very costly equipment to cram into one box, but the starting price for a low end Z800 is under £2,000, which if youre a video or 3D rendering specialist working from home isnt a bad investment for a machine that will save you days o... Two superfast CPUs. Quiet. Toolless case Expensive. No GPU included. For specialists only An expensive machine to be sure, but perfect if youre thinking of starting the next Pixar from your garage ...