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

8GB 2x4GB PC3-12800S Alienware M14x R2 Notebook M17x R3 Notebook Memory RAM

8GB PC3-12800S Alienware 18 R5 Notebook M17x 2nd-Gen Core i7 Notebook Memory RAM

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

4GB PC3-12800S Alienware 13 R2 M14x M17x M14x R2 M18x R2 Memory RAM

16GB 2x8GB PC3-12800S Alienware M14x R2 Notebook M17x R3 Notebook Memory RAM

16GB 2x8GB PC3-12800S Alienware M17x R4 Notebook M18X R2 Notebook Memory RAM

16GB 2x8GB PC3-10600S Alienware M11X R3 M17x 2nd-Gen Core i7 Notebook Memory RAM