Alienware 17

CPU: 2.5GHz Intel Core i7-4710HQ (quad-core, 6MB cache, up to 3.5GHz with Turbo Boost)
Graphics: Nvidia GeForce GTX 980M (4GB GDDR5 RAM), Intel HD Graphics 4600
RAM: 16GB DDR3L (1,600MHz)
Screen: 17.3 inch, 1,920 x 1,080 IPS anti-glare display
Storage: 256 GB M.2 SATA SSD + 1TB HDD (7,200 rpm)
Ports: 4 x USB 3.0 ports (1 x with PowerShare Technology), SD card reader mini DisplayPort, HDMI, Headphone jack, Microphone jack, Ethernet, Alienware Graphics Amplifier Port
Connectivity: Killer 1525 802.11ac 2x2 WiFi + Bluetooth 4.1
Camera: 2MP Full HD webcam
Weight: 8.33 pounds (3.78 kg)
Size: 16.93 x 11.49 x 1.35 inches (W x D x H) (430 x 291 x 34 mm)
And here is the Alienware Graphics Amplifier configuration given to TechRadar for review:
GPU capacity: PCIe x16 Slot for desktop graphics card
Graphics: PNY XLR8 GeForce GTX 980 with 4GB GDDR5
Power supply: Alienware 460 Watt Multi-GPU Approved Power Supply
Ports: 4 x USB 3.0, Alienware Graphics Amplifier to Notebook Port
Weight: 7.71 pounds (3.5 Kgs.)
Dimensions: 7.3 x 16.12 x 6.83 inches (W x D x H) (185 x 409 x 173 mm)