HP Pavilion - Windows 8.1. Intel Core i3-4005U processor. 15.6" diagonal HD BrightView LED backlit screen (1366x768) Up to 6 hours and 30 minutes of battery life. 4GB DDR3L SDRAM. 750GB hard drive with HP ProtectSmart Hard Drive Protection. Intel HD graphics 4400. Full size island style backlit keyboard with numeric keypad. SuperMulti DVD burner. Intel 1x1 802.11ac WLAN.