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 Intel Atom® processors bring you all the latest capabilities, so you don’t sacrifice power and performance for portability. The processors support multiple cameras, improved security features including biometric passwords, and wireless display on multiple screens. Intel Atom TERRA 3100, 1.8 GHz, Intel Atom®, 2 GB, 500 GB, DVD-RW, Windows 7 Professional TERRA 3100. Processor frequency: 1.8 GHz, Processor family: Intel Atom®, Processor: D525. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 500 GB, Optical drive type: DVD-RW. On-board graphics card model: Integrated, Discrete graphics card model: NVIDIA® ION™ 2. Operating system installed: Windows 7 Professional, Operating system architecture: 32-bit. Power supply: 40 W. Chassis type: Desktop. Product type: PC. Product colour: Black