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 StarTech.com PEX4S232485, PCIe, Serial, RS-232/422/485, SystemBase SB16C1052PCI, 256 B, 0 - 100 °C StarTech.com PEX4S232485. Host interface: PCIe, Output interface: Serial, Serial interface type: RS-232/422/485. Chipset: SystemBase SB16C1052PCI, FIFO (First In, First Out): 256 B. Windows operating systems supported: Windows 2000, Windows 2000 Professional, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7.... Width: 4.92" (125 mm), Depth: 2.76" (70 mm), Height: 0.787" (20 mm). Package width: 5.75" (146 mm), Package depth: 8.27" (210 mm), Package height: 1.61" (41 mm)