Acer Aspire S7-392-7863 13.3-Inch&nbsp;WQHD Touchscreen Ultrabook (Crystal White) Intel Intel Core i7 4500U 1.8 GHz (4 MB Cache) 8 GB DDR3L SDRAM 256 GB Solid-State Drive 13.3-Inch Screen, Intel HD Graphics 4400 Windows 8.1, 7.5-hour battery life