Dell Latitude E6400 14.1" Notebook PC - Intel Core 2 Duo 2.24GHz, 4GB DDR2, 160GB SATA HDD, DVD, Windows Professional 32bit (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 Microsoft is discontinuing offering Windows 7; this product is sold with Windows 10 Professional. Intel Core 2 Duo Dual-Core 2.26 GHz, 4GB DDR2 (up to 8GB) Memory, 160GB SATA Hard Drive 14.1-inch Premium WXGA Display(1280x800), DVD drive