Processor: Processor family: AMD Dual-Core E-Series processor. AMD Dual-Core E2-9000e (1.5 GHz base frequency, up to 2 GHz burst frequency, 1 MB cache).? Memory: 4 GB DDR4-1866 SDRAM (1 x 4 GB). Hard disk capacity: Internal drive 500 GB 5400 rpm SATA. Graphics Card: Integrated: AMD Radeon R2 Graphics.? Display: 39.6 cm (15.6) diagonal HD SVA anti-glare WLED-backlit (1366 x 768). Optical Drive: DVD-Writer. Webcam: HP Webcam with an integrated digital microphone. Ports: 2 USB 3.1 Gen 1 (Data transfer only), 1 USB 2.0, 1 HDMI, 1 RJ-45, 1 headphone/microphone combo . Audio: Dual speakers. Connectivity: Network interface: Integrated 10/100/1000 GbE LAN, Wireless: 802.11b/g/n (1x1) Wi-Fi and Bluetooth 4.0 combo. Battery: 3-cell, 31 Wh Li-ion (User-replaceable battery) Supports battery fast charge: approximately 90% in 90 minutes. Operating system: FreeDOS 2.0