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 Seagate Barracuda ST4000DM004, 4 TB, 5400 RPM, 256 MB, 3.5", Serial ATA III Seagate Barracuda ST4000DM004. Dung lượng ổ đĩa cứng: 4 TB, Tốc độ ổ cứng: 5400 RPM, Dung lượng buffer ổ cứng: 256 MB, Dung lượng ổ cứng: 3.5", Giao diện: Serial ATA III