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 Dell Wyse Z90SW, 1.5 GHz, G-T52R, 0.5 MB, 2 GB, DDR3-SDRAM, 4 GB Dell Wyse Z90SW. Processor frequency: 1.5 GHz, Processor model: G-T52R, L2 cache: 0.5 MB. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM, Maximum internal memory: 4 GB. Total storage capacity: 4 GB, Storage media: Flash. On-board graphics card model: AMD Radeon HD 6310, Maximum resolution: 2560 x 1600 pixels. Cabling technology: 10/100/1000Base-T(X)