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® Pentium® Intel Pentium Acer Aspire 900, 3.2 GHz, Intel® Pentium® 處理器, 4 GB, 500 GB, DVD Super Multi 燒錄器, Windows 7 Home Premium Acer Aspire 900. 處理器頻率: 3.2 GHz, 處理器系列: Intel® Pentium® 處理器, 處理器類型: E5800. 內部記憶體: 4 GB, 內部記憶體類型: DDR3-SDRAM, 記憶體時脈速度: 1333 MHz. 總儲存空間: 500 GB, 整合式讀卡機, 光碟機: DVD Super Multi 燒錄器. 主機板內建顯示卡型號: Intel® GMA X4500. 提供作業系統: Windows 7 Home Premium, 作業系統結構: 64位元. 電源供應: 220 W. 產品類型: PC. 產品色彩: 黑色