CPU Dual Core Operating Frequency 3.8 GHz Max Turbo Frequency 4.0GHz ASUS motherboard Operating System - Windows 10 Pro 64-Bit - ENGLISH/FRENCH RAM 2x4GB Integrated Graphics AMD Radeon HD 8470D Graphics Base Frequency 800 MHz DVD SAMSUNG DVD Burner 24X DVD+R 8X DVD+RW 8X DVD+R DL 24X DVD-R 6X DVD-RW 16X DVD-ROM 48X CD-R 24X CD-RW 48X CD-ROM Motherboard Rear Panel Ports PS/2 1 x PS/2 keyboard (purple) 1 x PS/2 mouse (green) Video Ports 1 x DVI 1 x D-Sub 1 x HDMI RJ45 10/100/1000Mbps 1 x LAN (RJ45) port(s) USB 3.0 total 2 x USB 3.0 USB 1.1/2.0 2 x USB 2.0 Audio Ports Motherboard 3 Ports 480W ATX12V Power Supply Energy Star Efficiency Case Front fan 1x120mm Rear fan 1x120 USB 3.0 total 2 x USB 3.0 USB 1.1/2.0 2 x USB 2.0 Total USB's - Case + Motherboard USB 3.0 total 4 x USB 3.0, 2 Front (Case), 2 back (Motherboard) USB 1.1/2.0 4 x USB 2.0, 2 Front (Case), 2 back (Motherboard)