Dell Mars Black 15.6" Laptop PC with Intel Core i5-480M Processor, 6GB RAM, 640GB Hard Drive, Windows 7 Home Premium Intel Core i5-480M processor 2.66GHz (up to 2.93GHz with TurboBoost technology), 3MB Cache 6GB DDR3 system memory 640GB SATA hard drive Intel Centrino Wireless-N 1000 WLAN 15.6" diagonal HD WLED widescreen display Intel HD Graphics