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 Origin Storage HDD 3TB 3.5in NearLine SAS in Hot Swap Caddy, 3 TB, 7200 RPM, 128 MB, 3.5", NL-SAS Origin Storage HDD 3TB 3.5in NearLine SAS in Hot Swap Caddy. HDD capacity: 3 TB, HDD speed: 7200 RPM, Storage drive buffer size: 128 MB, HDD size: 3.5", Interface: NL-SAS