Alienware M17x 17Inch Gaming Laptop (Space Black), Intel Core i7-740QM 1.73GHz, 8GB DR3 Memory, 500GB Hard Drive, 1GB ATI Mobility Radeon HD 5870 Graphics, Windows 7 Home Premium Intel Core i7-740QM 1.73GHz, 2.93GHz Turbo Mode, 6MB Cache, Genuine Windows 7 Home Premium 64-bit 8GB Dual Channel DDR3 at 1333MHz (2 DIMMs); USB 2.0 (4) 500GB (7200 RPM) Hard Drive; 8x Slot-Loading CD/DVD Burner (DVD+/-RW) CrossFireX 1GB ATI Mobility Radeon HD 5870 Graphics; 17" Widescreen McAfee SecurityCenter with anti-virus, anti-spyware, firewall, 6 Months; Steam gaming portal VGA Audio-out Connectors (3) Audio-in/Microphone Jack Built-in Front Speakers (2) Gigabit Ethernet eSATA/USB 2.0 Combo (2-in-1 Port) with PowerShare DisplayPort, HDMI?,