2017 Lenovo ThinkPad X131E 11.6" Laptop, Intel Celeron Dual-Core, 4GB DDR3, 320GB SATA, HD LED-Backlit, 802.11n, Windows 7 Professional (Certified Refurbished) (1) 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 Celeron 1007U 1.5GHz, Dual-Core, 2 MB Cache, Intel HD Graphics 4GB DDR3 memory , supports up to 8GB, 320GB SATA (5400rpm), 11.6" HD WXGA Anti-Glare LED-backlit display with 1366 x 762 resolution 10/100/1000 Gigabit Ethernet, 802.11b/g/n, 4-in-1 Media Card Reader, 2x USB 3.0,1x USB 2.0, HDMI Genuine Windows 7 Professional 64-Bit