System Manufacturer/Model Number: Toshiba Satellite L500 OS: Windows 7 Home Premium x64 SP1 CPU: Pentium Dual-Core CPU T500 @ 2.30Ghz Memory: 4gb DDR3 Graphics Card: ATI Mobility Radeon HD 4500 (512mb) Sound Card: Realtek High Definition Audio Screen Resolution: 1366 x 768 Hard Drives: 500gb Sata Hard drive