HP Pavilion TouchSmart 11-e110nr - Windows 8.1. Dual Core Processor. 11.6" diagonal HD LED-backlit touchscreen display. Up to 5 hours of battery life. On board 4GB 1333MHz DDR3L SDRAM with maximum supported being 8GB. 500GB 5400RPM hard drive with HP ProtectSmart Hard Drive Protection. Beats Audio with dual speakers. Full sized island style keyboard.