Dell OptiPlex SFF Desktop PC - Intel Core i3-2130 3.4GHz 4GB 250GB DVDRW Windows 10 Pro (Certified Refurbished) Intel Core i3-2130 3.4GHz Processor 4GB DDR3 - 250GB SATA Hard Drive (5400RPM) DVDRW Microsoft Windows 7 Professional (64-Bit)