Acer Aspire E5-571-53S1 Notebook Intel Core i5 5200U 2.20GHz 4GB Memory 500GB HDD Intel HD Graphics 5500 15.6 Acer Aspire E557153S1 Notebook 15.6 Intel Core i5 5200U 2.20GHz 4GB Memory 500GB HDD Intel HD Graphics 5500 Windows 8.1