Dell Inspiron 15R 15.6" Laptop - Intel&reg; Core&trade; i3-380M 2.53GHz, 4GB DDR3, 640GB Hard Drive, Blu-ray Disc (BD) Combo, Built-in Bluetooth, Windows 7 Home Premium (64-bit) - Red 640GB Hard Drive 15.6-Inch Screen Windows 7 Home Premium 64-bit