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 Windows 10 offers more safety for your device, with features like Windows Hello and always-enabled free updates. Gamers experience best-in-class gameplay with Broadcast and Game Mode. And with built-in apps for 3D creation, photos, music, movies, maps and more - Windows 10 Home brings you more creativity and productivity than ever before. Windows 10 Home Intel® Pentium® Intel Pentium G 戴尔 OptiPlex 3020, 3.2 GHz, Intel® Pentium® G, G3250, 4 GB, 500 GB, Windows 10 Home 戴尔 OptiPlex 3020. 處理器頻率: 3.2 GHz, 處理器系列: Intel® Pentium® G, 處理器類型: G3250. 內部記憶體: 4 GB, 內部記憶體類型: DDR3-SDRAM, 記憶體時脈速度: 1600 MHz. 總儲存空間: 500 GB, 媒體儲存功能: HDD 硬式磁碟機. 主機板內建顯示卡型號: Intel® HD Graphics. 提供作業系統: Windows 10 Home, 作業系統結構: 64位元. 電源供應: 290 W. 機箱外型規格: 迷你塔型直立機箱. 產品類型: PC. 產品色彩: 黑色