8GB PC3-12800S Alienware M17x R3 M17x R4 13 R2 Alpha Memory RAM

4GB PC3L-14900 Alienware 15 R1 17 R1 17 R2 18 M17x R3 Memory RAM

8GB PC3-10600S Alienware R2 M14X 13 R2 Alpha M11X R3 M14x R2 Notebook Memory RAM

8GB PC3L-14900S Alienware 18 17 R1 17 R2 Alpha 15 M17xR3 Memory RAM

OWC 8GB Memory RAM For Alienware M17x R3 M15x M17x M17x R2

8GB 2x 4GB PC3L-12800 Dell Alienware 13 13 R2 15 17 17 R2 Alpha Memory RAM

16GB 2x 8GB PC3L-12800 Dell Alienware 13 13 R2 15 17 17 R2 Alpha Memory RAM

8GB PC3L-12800S Alienware 17 18 R2 13 R2 Alpha M17x R5 15 R1 Notebook Memory RAM