ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR 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 be quiet! Straight Power E9 CM, 480 W, 100 - 240 V, 550 W, 50 - 60 Hz, 4 - 8 A, +12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V be quiet! Straight Power E9 CM. Total power: 480 W, AC input voltage: 100 - 240 V, Peak power: 550 W. Motherboard power connector: 20+4 pin ATX, Cabling type: Semi-Modular. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Gold. Product colour: Black, Cooling type: Active, Fan diameter: 13.5 cm. Compliance certificates: RoHS, Certification: CE, CB, TÜV, Semko (S) https://www.tomshardware.com/uk/reviews/power-supply-silent-passive,3189.html The power supply typically isn't the noisiest component in a high-end PC. Nevertheless, many folks are serious about cutting noise, and go the extra mile for a quiet system. We step in with a comparison of two silent models against one low-noise PSU. G...