Lenovo IdeaCentre H500s Slim Desktop with Intel Dual Core CPU Processor(up to 2.58 GHz), 4GB DDR3L RAM, 500GB Hard Drive, DVD Drive (Certified Refurbished) Intel Celeron Processor J1800 (1M Cache, up to 2.58 GHz) 4 GB DDR3L SDRAM, 500 GB 7200 rpm Hard Drive Intel Graphics Media Accelerator HD DVD Recordable Serial ATA Windows 8.1 Standard 64 - English