Intel® Pentium® Intel Pentium Lenovo ThinkCentre M57e, 2 GHz, Intel® Pentium®, 1 GB, 160 GB, DVD-RW, Windows XP Professional Lenovo ThinkCentre M57e. Processor frequency: 2 GHz, Processor family: Intel® Pentium®, Processor model: E2180. 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 XP Professional. Power supply: 280 W. Chassis type: SFF. Product type: PC. Weight: 7,3 kg. Product colour: Black