Toshiba Satellite A355-S6931 16.0-Inch Laptop 2.13 GHz Intel Core 2 Duo P7450 processor (Centrino 2) 4 GB RAM (max) 320 GB hard drive, Labelflash dual-layer DVD drive Windows Vista Home Premium with SP1 (64-bit version) 16-inch screen for true 16:9 aspect ratio and native 720p high-def resolution. Intel GMA X4500MHD graphics (up to 1750 MB total available memory