Valley Of The Sun Original GDDR5 2GB Graphics Video Card GPU Replacement for Alienware M15X M17X M18X R1 R2 R3 R4 Gaming Laptop, NVIDIA GeForce GTX 680M 2 GB N13E-GTX-A2 MXM VGA
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7W4GT Dell 2GB Nvidia GeForce GTX 675M GDDR5 Video Graphics Card for Alienware M17X R2