This Certified Refurbished product is tested and certified to work and look like new with minimal or no signs of wear, the product comes with relevant accessories and is backed. 3.1 GhzGHz Intel Core i5 3rd Gen processor 4GB DDR3 RAM 500GB 5400rpm hard drive Integrated Graphics Windows 7 OEM COA operating system This Certified Refurbished product is tested and certified to work and look like new with minimal or no signs of wear; the product comes with relevant accessories and is backed by a minimum six month seller or brand warranty Small Form Factor PC;Windows 7 Professional 64 (available through downgrade rights from Windows 8 Pro) Intel Core i3-3470 with Intel HD Graphics 2500 (3.4GHz, 6 MB cache, 4 cores);4GB DDR3 1600 MHz SDRAM 500GB 7200 rpm SATA 6.0 Gb/s NCQ, Smart IV