Refurbished Lenovo ThinkCentre M91p Small Form Factor Business PC - 2nd Gen. Intel Core i5-2400 Quad-Core Processor (6M Cache, up to 3.40GHz), 8GB DDR3, 1TB 7200RPM Hard Drive, DVD-ReWriter, Intel HD Graphics, Gigabit Ethernet, 150Mbps USB WiFi/Wireless adapter included, Genuine Windows 10 Professional 64Bit preinstalled w/COA license + Recovery Tools (to repair or reinstall Windows back to factory settings or to create a system recovery USB Flash Drive)