LENOVO B50 15.6" Touch Screen Laptop PC - Intel Pentium / 4GB Memory / 500GB HD / DVD&plusmn;RW/CD-RW / HD Webcam / Windows 8.1 64-bit Intel Pentium N3530 Processor - 2.16GHz with Turbo Boost up to 2.58GHz 15.6" LED-backlit high-definition widescreen 10-point multitouch display 4GB DDR3L Memory / 500GB Hard Drive DVDRW/CD-RW / Intel HD graphics Windows 8.1 64-bit / High-Definition webcam