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

8GB 2x4GB PC3-8500S Alienware M11X M17X R1 Memory RAM

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

8GB 2x4GB PC3-12800S Alienware R2 13 R2 M17x 2nd-Gen Core i7 Notebook Memory RAM

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

8GB PC3-12800S Alienware M14X M11X R3 17 R5 Notebook M14x R2 Notebook Memory RAM

8GB 2x4GB PC3-12800U Acer Aspire Atc-105-Ur22 M3470G AM3470/G-xxx Memory RAM

2GB DDR2 PC2-4200 533MHz DIMM (Kingston KVR533D2N4K2/4G Equivalent) Memory RAM