Acer NX.MRWAA.021 / Aspire ES1-512-C9Y5 15.6" LED (CineCrystal) Notebook - Intel Celeron N2840 2.16 GHz - 4 GB RAM - 500 GB HDD - Intel HD Graphics - Windows 8.1 with Bing 64-bit - 1366 x 768 Display - Bluetooth Acer NX.MRWAA.021 / Aspire ES1-512-C9Y5 15.6" LED (CineCrystal) 1366 x 768 Display 4GB RAM, 500GB HDD, Intel HD Graphics Intel Celeron N2840 2.16 GHz Windows 8.1 64-bit Operating System