Sony VAIO VGN-AR770ND 17.0" Notebook (2.6GHz Core 2 Duo T9500 4GB RAM 400GB HDD Blu-ray Read Only Vista Business) Powered by Core 2 Duo T9500 / 2.6 GHz processor 4 GB RAM; 200 GB hard drive 17-inch Widescreen TFT 1920 x 1200 ( WUXGA ) Windows Vista Business operating system