ASUS N53SV-A1 15.6-Inch Versatile Entertainment Laptop (Silver Aluminum) Intel Core i7-2630QM Quad-Core Processor 2.0 GHz with Turbo Boost up to 2.8GHz 4GB of DDR3 1333 MHz SDRAM, 4 slots, 16GB Max; 750GB Hard Drive (7200 RPM), Super Multi DVD 15.6-Inch HD (1366x768) LED Display; Nvidia GT540M Graphics with 1GB DDR3 VRAM; Super-Multi Optical Disk Drive Windows 7 Home Premium (64-bit)