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 Legacy Intel® Core™ Processor Intel Core i3-2xxx DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III) y 联想 Essential B570e2, Intel® Core™ i3, 2.2 GHz, 39.6 cm (15.6"), 1366 x 768 像素, 4 GB, 500 GB 联想 Essential B570e2. 外型: 翻蓋式. 處理器系列: Intel® Core™ i3, 處理器類型: i3-2330M, 處理器頻率: 2.2 GHz. 顯示器尺寸(對角長): 39.6 cm (15.6"), 顯示器解析度: 1366 x 768 像素. 內部記憶體: 4 GB, 內部記憶體類型: DDR3-SDRAM. 總儲存空間: 500 GB, 媒體儲存功能: HDD 硬式磁碟機, 光碟機: DVD Super Multi DL 雙層燒錄. 主機板內建顯示卡型號: Intel® HD Graphics 3000. 提供作業系統: Windows 7 Home Premium. 產品色彩: 黑色. 重量: 2.35 kg