Dell has discontinued the Alienware Graphics Amplifier, its external GPU - The Verge
Amazon.com: Valley Of The Sun Original GDDR5 8GB Graphics Video Card GPU for Dell Alienware 13 14 17 18 R1 R2 R3 M17X R4 R5 M18X R2 R3 Gaming Laptop, NVIDIA GeForce
Amazon.com: Valley Of The Sun Original GDDR5 8GB Graphics Video Card GPU for Dell Alienware 13 14 17 18 R1 R2 R3 M17X R4 R5 M18X R2 R3 Gaming Laptop, NVIDIA GeForce
Alienware x17 R2 Gaming Laptop | Dell USA
Ultimate Guide to Upgrade Alienware Steam Machine R2 — Ram/Disk/GPU! | by oliver hu | Medium
Alienware's external graphics solution is here, but do we need it? | KitGuru