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 Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y 4th Generation Intel® Core™ processors are based on Intel® microarchitecture formerly known as Haswell, manufactured on 22 nm process technology with 3D tri-gate transistors. This platform provides excellent CPU, graphics, media performance, flexibility, and enhanced security over the 3rd generation Intel® Core™ processors, making it ideal for a broad range of intelligent systems. Intel Core i3-4xxx DELL OptiPlex 9020, 58,4 cm (23"), Full HD, Intel® Core™ i3, 4 GB, 500 GB, Windows 7 Professional DELL OptiPlex 9020. Tipo de producto: Computadora todo en uno. Diagonal de pantalla: 58,4 cm (23"), Tipo HD: Full HD, Resolución de pantalla: 1920 x 1080 Pixeles. Familia de procesador: Intel® Core™ i3, Frecuencia del procesador: 3,4 GHz. Memoria interna: 4 GB, Tipo de memoria interna: DDR3-SDRAM. Capacidad total de almacenaje: 500 GB, Unidad de almacenamiento: Unidad de disco duro (HDD). Modelo de adaptador gráfico incorporado: Intel® HD Graphics 4400. Cámara incorporada. Tipo de unidad óptica: DVD±RW. Sistema operativo instalado: Windows 7 Professional. Color del producto: Negro, Plata