ASUS UL50Ag-A3B Thin and Light 15.6-Inch Black Laptop (Windows 7 Professional) 1.3GHz Intel SU7300 Core 2 Duo Processor 3GB of DDR2 RAM, 2 slots, 4GB Max 250GB SATA Hard Drive (5400 RPM), DVD Super Multi Drive 15.6-Inch HD LED LCD Display, Wi-Fi 802.11 bgn, 0.3M Webcam Windows 7 Professional (64 bit) Operating System