2015 Newest Edition Dell Inspiron 3000 i3647 Small Desktop (Windows 7 Professional, 4th Generation Intel Core i5-4460S processor 6M Cache, 3.4 GHz, 8GB DDR3, 1TB HDD, DVD Drive, Bluetooth) Intel Core i5-4460S Quad Core CPU (6M Cache, up to 3.4 GHz, 4 threads), Intel HD Graphics 12GB DDR3 RAM, 1TB 7200RPM HDD, Tray load DVD Drive (Reads and Writes to DVD/CD), Small Form Factor (SFF) (2) USB 3.0, (6) USB 2.0, HDMI, VGA, RJ-45 (10/100/1000 Ethernet), 3-stack audio jacks supporting 5.1 surround sound Integrated 8-in-1 Media Card Reader, Bluetooth 4.0, DW 1705 802.11bgn, Dell KB113 Wired Keyboard, Dell MS111 USB 3-Button Optical Mouse Windows 7 Professional English 64bit (Win 7 Pro pre-installed, Windows 8.1 Media included in package). Best Operation System for Business and Home Use.