Product ID: A1311 Serial Number: W8028ASGDAS CPU: 3.06 GHz Core i3 (I3-540) GRAPHICS: ATI Radeon HD 4670 Resolution 1920X1080 RAM: 4 GB DDR3 HARD DISK: 500 GB OS: OSX High Sierra This is a nice clean unit. It has been reset to factory, ready for you to set up and personalize. NOTE: Keyboard and mouse are not included, but standard USB devices can be used.