Legacy Intel® Core™ Processor Intel Core i3-xxx HP Pro 3130 Minitower, 3.2 GHz, Intel® Core™ i3, 3 GB, 500 GB, DVD-RW, Windows 7 Professional HP Pro 3130 Minitower. Processor frequency: 3.2 GHz, Processor family: Intel® Core™ i3, Processor model: i3-550. Internal memory: 3 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 500 GB, Optical drive type: DVD-RW. On-board graphics card model: Intel® HD Graphics, Discrete graphics card model: Intel® GMA X4500HD. Operating system installed: Windows 7 Professional. Power supply: 300 W. Chassis type: Mini Tower. Product type: PC. Weight: 7.58 kg. Product colour: Black