Acer Aspire ES1-711-P1UV Intel Pentium N3540 X4 2.16GHz 4GB 500GB DVD+/-RW 17., Black (Refurbished) Intel Pentium N3540 2.16GHz; 500GB SATA; 4GB DDR3 17.3" LED display; 1600 x 900; Intel HD Graphics 802.11B,802.11G,802.11N; Bluetooth 2.0 + EDR; Microsoft Windows 8.1 Non-Backlit Keyboard; SuperMulti-DVD Burner; 5 Hours Battery Life 10/100/1000 Gigabit Ethernet, 802.11BGN and Bluetooth 2.0 + EDR