20HTK - Dell - Nvidia GeForce GTX 680M 2GB DDR5 Video Card for Alienware M17x R4 M18x R2 20HTK - Dell - Nvidia GeForce GTX 680M 2GB DDR5 Video Card for Alienware M17x R4 M18x R2 $728.97 $617.77
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X203R - Dell - 1GB nVidia GTX 280m Video Graphics Card for Alienware M17X X203R - Dell - 1GB nVidia GTX 280m Video Graphics Card for Alienware M17X $439.88 $372.78