HP Pavilion Touchsmart - Windows 8.1 Touch. Intel Pentium N3510 Processor. 15.6" diagonal HD BrightView LED backlit touchscreen display. 4GB DDR3L SDRAM. 750GB hard drive with HP ProtectSmart Hard Drive Protection. Intel HD graphics. Full size island style keyboard with numeric keypad. SuperMulti DVD burner. Intel 1x1 802.11ac WLAN.