Asus 16-Inch Laptop K55N-SA80403V - AMD A8-4500M Quad Core CPU (1.9GHz; up to 2.8 GHz in Turbo Boost), 4GB DDR3 Memory, 500GB Hard Drive, USB 3.0, 802.11 b/g/n, 10/100/1000 Gigabit Ethernet - Indigo AMD A8-4500M Processor with UMA graphics -Delivers powerful performance. 4GB DDR3 memory -For multitasking power, expandable to 8GB. Multiformat DVDRW/CD-RW drive -Create custom DVDs and CDs. 15.6" LED-backlit high-definition widescreen display -With 1366 x 768 resolution showcases movies and games in stunning clarity. 500GB hard drive (5400 rpm) -Offers spacious storage and fast read/write times.