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 Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y Intel® Pentium® Intel Pentium Acer Extensa X2610G, 1.6 GHz, Intel® Pentium®, 4 GB, 500 GB, DVD±RW, FreeDOS Acer Extensa X2610G. Processor frequency: 1.6 GHz, Processor family: Intel® Pentium®, Processor model: J3710. Internal memory: 4 GB, Internal memory type: DDR3L-SDRAM. Total storage capacity: 500 GB, Storage media: HDD, Optical drive type: DVD±RW. On-board graphics card model: Intel® HD Graphics 405. Operating system installed: FreeDOS. Power supply: 65 W. Product type: PC. Weight: 13.2 lbs (6 kg). Product color: Black