Intel® Pentium® Intel Pentium HP dx2400 + Microsoft Office 2007 Basic, 2.5 GHz, Intel® Pentium®, 1 GB, 160 GB, DVD±RW, Windows Vista Business HP dx2400 + Microsoft Office 2007 Basic. Processor frequency: 2.5 GHz, Processor family: Intel® Pentium®, Processor model: E5200. Internal memory: 1 GB, Internal memory type: DDR2-SDRAM. Total storage capacity: 160 GB, Optical drive type: DVD±RW. Discrete graphics card model: Intel® GMA 3100. Operating system installed: Windows Vista Business. Power supply: 300 W. Chassis type: Micro Tower. Product type: PC. Weight: 22.5 lbs (10.2 kg)