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 Windows 10 offers more safety for your device, with features like Windows Hello and always-enabled free updates. Gamers experience best-in-class gameplay with Broadcast and Game Mode. And with built-in apps for 3D creation, photos, music, movies, maps and more - Windows 10 Home brings you more creativity and productivity than ever before. Windows 10 Home Lenovo H50-55, 3.5 GHz, AMD A10, A10-7800, 4 GB, 1 TB, Windows 10 Home Lenovo H50-55. Processor frequency: 3.5 GHz, Processor family: AMD A10, Processor model: A10-7800. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 2133 MHz. Total storage capacity: 1 TB, Storage media: HDD, Card reader integrated. On-board graphics card model: AMD Radeon R7. Operating system installed: Windows 10 Home, Operating system architecture: 64-bit. Chassis type: Mini Tower. Product type: PC. Product color: Black