ASUS K52JC-B1 15.6-Inch Versatile Entertainment Laptop (Dark Brown) Intel Core i5-460M Processor 2.53GHz with Turbo Boost up to 2.8GHz Nvidia 310M Graphics Engine with 1GB DDR3 Dedicated VRAM with Optimus Technology 4GB of DDR3 1066MHz DRAM, 2x2GB; 2 slots, 8GB Max 500GB Hard Drive (7200 RPM); Super Multi Optical Disk Drive; Wireless 802.11bgn 15.6-Inch HD (1366x768) Display; 0.3MP Webcam; HDMI Port; Windows 7 Home Premium (64 bit) Operating System