ASUS N61JQ-X1 16-Inch Laptop (1.6 GHz Intel Core i7-720QM Quad-Core Processor, 4GB DDR3, 320GB HDD, Windows 7 Home Premium) Dark Brown Intel Core i7-720QM Processor1.6GHz w/ turbo boost up to 2.8GHz 4GB of DDR3 1066MHz SDRAM, 2 slots, 8GB Max 320GB Hard Drive (7200 RPM); Super Multi Optical Disk Drive; Wi-Fi 802.11 bgn 16-Inch HD LED LCD Display; 2.0MP Webcam; Bluetooth; HDMI Port; ATI 5730 Graphics Engine with 1 GB DDR3 Dedicated VRAM Windows 7 Home Premium (64 bit) Operating System