Toshiba Qosmio F755-3D290 (15.6-Inch Screen) Laptop 2.0 GHz Intel Core i7-2630QM Processor (2.9 GHz with Turbo Boost Technology), 6MB L3 Cache 6 GB SO-DIMM 750 GB 5400 rpm Hard Drive 15.6-Inch Screen, NVIDIA GeForce GT540M with 1.0GB of GDDR3 discrete graphics memory Windows 7 Home Premium 64-bit, 3hours Battery Life 2.0 GHz Intel Core i7-2630QM quad-core processor (2.90 GHz with Turbo Boost Technology; 6 MB L3 cache) 6 GB of installed DDR3 RAM (1333 MHz; expandable to 8 GB) 750 GB Serial ATA hard disk drive (5400 RPM), Blu-ray Disc rewriteable disc drive 15.6-Inch Screen, NVIDIA GeForce GT540M with 1.0GB of GDDR3 discrete graphics memory Windows 7 Home Premium 64-bit, 3hours Battery Life