RoHS stands for Restriction of Hazardous Substances. RoHS, also known as Directive 2002/95/EC, originated in the European Union and restricts the use of specific hazardous materials found in electrical and electronic products (known as EEE). All applicable products in the EU market after July 1, 2006 must pass RoHS compliance. The substances banned under RoHS are lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), and four different phthalates (DEHP, BBP, BBP, DIBP). RoHS <b>Higher Performance When You Need It Most</b> Intel® Turbo Boost Technology 2.01 accelerates processor and graphics performance by increasing the operating frequency when operating below specification limits. The maximum frequency varies depending on workload, hardware, software, and overall system configuration. 2.0 Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y You can spend more time running your business and less time concerned with IT when you have Windows 10 Pro. Build-in security, enhanced productivity features, and easy-to-implement management tools provide an essential foundation to keep your business humming. Windows 10 Pro Intel® Xeon® processors deliver cloud computing, real-time analytics, processing for your mission-critical business, and big data insights. Improve data center efficiency and reliability to handle any workload. Intel Xeon Lenovo ThinkStation P520c, 3.6 GHz, Intel® Xeon®, W-2133, 64 GB, 1 TB, Windows 10 Pro Lenovo ThinkStation P520c. Processor frequency: 3.6 GHz, Processor family: Intel® Xeon®, Processor model: W-2133. Internal memory: 64 GB, Internal memory type: DDR4-SDRAM, Memory clock speed: 2666 MHz. Total storage capacity: 1 TB, Card reader integrated. Operating system installed: Windows 10 Pro, Operating system architecture: 64-bit. Power supply: 500 W. Chassis type: Tower. Product type: Workstation. Weight: 32 lbs (14.5 kg). Product color: Black