DELL OptiPlex 360 Mini Tower, 2.8 GHz, Intel® Core™2 Duo, 2 GB, 160 GB, DVD-ROM, Windows Vista Business DELL OptiPlex 360 Mini Tower. Processor frequency: 2.8 GHz, Processor family: Intel® Core™2 Duo, Processor model: E7400. Internal memory: 2 GB, Internal memory type: DDR2-SDRAM, Memory clock speed: 800 MHz. Total storage capacity: 160 GB, Optical drive type: DVD-ROM. Discrete graphics card model: Intel® GMA 3100. Operating system installed: Windows Vista Business. Power supply: 255 W. Chassis type: Mini Tower. Product type: PC. Weight: 12.3 kg. Product colour: Black