Sony VAIO VPC-Z116GX/S 13.1-Inch Laptop (Silver) 2.53GHz Intel Core i5 - 520M Processor 4GB RAM (2GB x 2); DDR3-1066 256GB Solid State Drive; DVD/CD RW Optical Drive 13.1" (1600x900) LCD/ (16:9 aspect ratio) Windows 7 Professional 64-bit