Alienware M18x Space Black Anodized Aluminum Intel Core i7 2670QM 2.2 GHz (3.1 GHz w/Turbo Boost, 6MB Cache)8 GB RAM 1866 MHz,Duel 1.5GB GDDR5 NIVIDIA GeForce GTX 560M NIVIDIA SLI Enabled Alienware M18x New Battery Factory OS Included - Windows 7 for Alienware Original Box Included