Z820 has roughly the same acoustic levels as the Z800. That’s surprising given the more demanding hardware specs. The Z820 can support two 150-watt Xeon processors, as opposed to the two 130-watt Xeon processors on the Z800. Product Highlights Intel Xeon E5-2687W v2 processor 600GB SAS 15K rpm 6Gb/s 3.5" HDD 4GB DDR3-1866 ECC Registered RAM NVIDIA NVS 310 512MB Graphics Contact Rental India Name – Chackravarthy (8754542653) Name – Anushree (8971423090) Visit Us: https://rental-india.com/hp-z820-workstation-available-onrental-sale/ Mail Us: [email protected] Mandaveli, Chennai-28.