Intel® Pentium® Intel Pentium Acer Extensa E470, 3.2 GHz, Intel® Pentium®, 3 GB, 320 GB, DVD Super Multi, Windows 7 Home Premium Acer Extensa E470. Processor frequency: 3.2 GHz, Processor family: Intel® Pentium®, Processor: E5800. Internal memory: 3 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 320 GB, Card reader integrated, Optical drive: DVD Super Multi. Discrete graphics card model: Intel® GMA X4500. Operating system installed: Windows 7 Home Premium, Operating system architecture: 64-bit. Power supply: 300 W. Form factor: Tower. Product type: PC. Product colour: Black