Alienware X51 AX51-9302BK Desktop (Matte Stealth Black) [Discontinued By Manufacturer] Intel Core i7-3770 3.4GHz Processor (8MB Cache) with Hyper-Threading and Turbo Boost Technology 2.0 8GB DDR3 RAM 1 TB 7200 rpm Hard Drive 1.5GB GDDR5 NVIDIA GeForce GTX 660 Windows 8