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

8GB PC3L-12800 SODIMM Memory RAM for Dell Alienware 13 R2 (A7022339 Equivalent)

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4GB PC3-10600 Alienware M11x R2 Memory RAM

4GB PC3L-12800 Dell Alienware X51 R2 Memory RAM

4GB PC3-12800 DIMM Memory RAM for Dell Alienware X51 (SNP531R8C/4G Equivalent)

4GB PC3-12800 Dell Alienware Aurora ALX Memory RAM