Toshiba Satellite L955D-S5140NR Windows 8 6GB DDR3 640GB HDD AMD Quad-Core A8-4555M 1.6GHz Accelerated Processor (up to 2.4GHz with AMD Turbo Core Technology 3.0) 6GB DDR3 1333MHz memory(16GB max) 640GB HDD (5400rpm, Serial ATA), DVD-SuperMulti drive (+/-R double layer) 15.6" widescreen HD TruBrite LED Backlit display, 1366x768 (HD), 16:9 aspect ratio, Supports 720p content HD Webcam and Microphone; HDMI output port