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 Fujitsu ESPRIMO Mobile D Series ESPRIMO Mobile D9510, Intel® Core™2 Duo, 2.66 GHz, 15.4", 1440 x 900 pixels, 4 GB, 320 GB Fujitsu ESPRIMO Mobile D Series ESPRIMO Mobile D9510. Processor family: Intel® Core™2 Duo, Processor model: P8800, Processor frequency: 2.66 GHz. Display diagonal: 15.4", Display resolution: 1440 x 900 pixels. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 320 GB, Optical drive type: DVD Super Multi. Mobile network generation: 3G. Discrete graphics card model: Intel® GMA 4500MHD. Operating system installed: Windows 7 Professional. Weight: 5.95 lbs (2.7 kg)