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 Lenovo IdeaCentre H515s, 1.5 GHz, AMD A4, 4 GB, 1 TB, DVD±RW, Windows 8.1 Lenovo IdeaCentre H515s. Processor frequency: 1.5 GHz, Processor family: AMD A4, Processor model: A4-5000. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1600 MHz. Total storage capacity: 1 TB, Storage media: HDD, Optical drive type: DVD±RW. On-board graphics card model: AMD Radeon HD 8330. Operating system installed: Windows 8.1, Operating system architecture: 64-bit. Chassis type: Mini Tower. Product type: PC. Product colour: Black, Silver