Lenovo ThinkCentre A70, 2,93 GHz, Intel® Core™2 Duo, 2 GB, 500 GB, DVD-RW, Windows 7 Professional Lenovo ThinkCentre A70. Processor frequency: 2,93 GHz, Processor family: Intel® Core™2 Duo, Processor model: E7500. Internal memory: 2 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1066 MHz. Total storage capacity: 500 GB, Optical drive type: DVD-RW. Discrete graphics card model: Intel® GMA X4500. Operating system installed: Windows 7 Professional, Operating system architecture: 64-bit. Power supply: 180 W. Chassis type: SFF. Product type: PC. Product colour: Black