DELL Inspiron 15 3000 Series i3543 15.6-Inch LED-backlit Touchscreen Laptop (Intel Core i5 5200U, 4GB RAM, 500GB HDD with DVD Drive, Windows 8.1 64-Bit), Black Intel Core i5-5200U processor, 2.20GHz, 3MB cache; Intel HD Graphics 5500; 15.6" LED-backlit high-definition touch-screen display With 1366 x 768 resolution presents media in rich detail. 4GB DDR3L SDRAM system memory; 500GB Serial ATA hard drive (5400 rpm); DVD/CD drive 10/100 Fast Ethernet, 802.11n Wireless LAN; Built-in webcam and microphone; 3-in-1 media reader; 1 USB 3.0 port and 2 USB 2.0 ports; Bluetooth 4.0 interface; Weighs 5.26 lbs. and measures just 1" thin; Microsoft Windows 8.1 64-bit operating system preinstalled