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 DELL OptiPlex 3020, 3,3 GHz, Intel® Core™ i5, 4 GB, 500 GB, Windows 7 Professional, 64-bit DELL OptiPlex 3020. Tốc độ bộ xử lý: 3,3 GHz, Họ bộ xử lý: Intel® Core™ i5. Bộ nhớ trong: 4 GB, Loại bộ nhớ trong: DDR3-SDRAM, Tốc độ xung nhịp bộ nhớ: 1600 MHz. Tổng dung lượng lưu trữ: 500 GB, Phương tiện lưu trữ: HDD. Hệ điều hành cài đặt sẵn: Windows 7 Professional, Cấu trúc hệ điều hành: 64-bit. Nguồn điện: 255 W. Loại khung: SFF. Sản Phẩm: Máy tính cá nhân. Trọng lượng: 6 kg. Màu sắc sản phẩm: Màu đen