Asus High Performance 15.6-inch Laptop, Intel Pentium N3540 2M Cache 2.16GHz-2.66GHz, 4GB DDR3L, 750GB HDD, DVD drive, 1366 X 768 HD display, HDMI, WiFi, Windows 8.1 / Windows 10 Intel Pentium N3540 Processor (2M Cache, 2.16GHz base, turbo boost up to 2.66 GHz), UMA Graphics 4GB PC3-12800 DDR3L 1600MHz SDRAM, 750GB 5400 rpm Hard Drive, Multiformat Super-Multi DVD drive, USB 3.0, USB 2.0 15.6-inch High-Definition (1366 x 768) LED-Backlit Display, 720p HD Webcam, HDMI, VGA port/Mini D-sub 802.11 b/g/n WiFi, 1G LAN Ethernet, SonicFocus Audio, card reader ( SD SDHC ) Windows 8.1 64-bit free upgrade to Windows 10