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 DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III) y 联想 Essential B560, 2.13 GHz, 39.6 cm (15.6"), 1366 x 768 像素, 2 GB, 250 GB, Windows 7 Professional 联想 Essential B560. 處理器頻率: 2.13 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: 2 GB, 內部記憶體類型: DDR3-SDRAM. 總儲存空間: 250 GB, 光碟機: DVD-RW. 提供作業系統: Windows 7 Professional. 產品色彩: 黑色. 重量: 2.2 kg