Alienware M15x 211CSB 15-Inch Gaming Laptop (Cosmic Black) [Discontinued By Manufacturer] Intel Core i7-740QM Processor (1.73GHz, 2.93GHz Turbo Mode, 6MB Cache) 6GB Memory, DDR3, 1333MHz, 2 DIMM (1 x 4GB + 1 x 2GB) 640GB 7200RPM SATA Hard Drive; Slot-loading Dual-Layer (DVD+/-RW) 15.6" Widescreen High Definition+ 1600 x 900 (900p) Display; 1GB ATI Radeon Mobility HD 5850 Graphics Genuine Windows 7 Home Premium (64-Bit)