Lenovo IdeaCentre K450e Desktop (57327391) - Intel i7-4790, 12GB RAM, 2TB HDD, DVD Player, Windows 8.1 (Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com Intel Quad-Core 3.6 GHz i7-4790 CPU 12GB 1600 MHz DDR3 SDRAM 2 TB 7200 rpm Hard Drive NVIDIA GT 720 Graphics Card