21.5" Full HD Touchscreen-Desctop, Intel Core i3-370M 2.4GHz, 4GB RAM, 500GB, DVD-+RW, NVIDIA® GeForce® 310M, Wlan, Bluetooth, WebCam, Windows® 7 Home Premium (64 Bit) | | 19.5" WLED Touch HD+ Display/ Intel® Core i3-4160 3.6GHz/ 4GB RAM/ 500GB HDD/ DVD-RW/ WiFi/ WebCam/ Windows® 8.1 Pro (64bit) | | AiO, Intel® Core i5-4590S 3GHz, 4GB RAM, 500GB HDD, Intel HD Graphics 4600, DVD SuperMulti/ WiFi, 6xUSB 3.0, Windows 8.1 Pro/Windows 7 Professional 64 |