Amazon.com: Valley Of The Sun Original for NVIDIA GeForce GTX 770M Graphics Card, Dell Gaming Laptop Alienware 17 18 M17X R2 R4 R5 M18X R3, GDDR5 3GB N14E-GS-A1 MXM 3.0B Video Board
HW6C9 Dell 3GB nVidia GeForce GTX770M GDDR5 Video Graphics Card for Alienware M18x
Amazon.com: Valley Of The Sun Original for NVIDIA GeForce GTX 770M Graphics Card, Dell Gaming Laptop Alienware 17 18 M17X R2 R4 R5 M18X R3, GDDR5 3GB N14E-GS-A1 MXM 3.0B Video Board