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 Intel® Pentium® Intel Pentium Fujitsu ESPRIMO P400, 2.9 GHz, Intel® Pentium®, 2 GB, 500 GB, DVD±RW, Windows 8 Pro Fujitsu ESPRIMO P400. Processor frequency: 2.9 GHz, Processor family: Intel® Pentium®, Processor model: G645. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 500 GB, Optical drive type: DVD±RW. On-board graphics card model: Intel® HD Graphics. Operating system installed: Windows 8 Pro, Operating system architecture: 64-bit. Product type: PC. Weight: 9 kg. Product colour: Black