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 Legacy Intel® Core™ Processor Intel Core i3-2xxx TERRA 5100, 3.1 GHz, 英特尔®酷睿™ i3, 4 GB, 500 GB, DVD-RW, Windows 7 Professional TERRA 5100. 处理器频率: 3.1 GHz, 处理器系列: 英特尔®酷睿™ i3, 处理器: i3-2100. 内置存储器: 4 GB, 内存类型: DDR3-SDRAM, 内存时钟速度: 1333 MHz. 总存储容量: 500 GB, 光驱类型: DVD-RW. 板载图形适配器型号: 英特尔® HD 显卡 2000, 独立显示适配器型号: AMD Radeon HD 5450. 已预装操作系统: Windows 7 Professional, 操作系统结构: 64-bit. 电源: 350 W. 机箱结构规格: Midi Tower. 产品类型: PC（聚碳酸酯）