Guaranteed compatible upgrades for:

Alienware M Series Notebook M15x

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Samsung 870 Evo 4TB 2.5" 7mm SATA III Internal SSD

Crucial MX500 2TB 2.5" 7mm SATA III Internal SSD (with 7mm to 9.5mm spacer)

Crucial MX500 1TB 2.5" 7mm SATA III Internal SSD (with 7mm to 9.5mm spacer)

Crucial MX500 500GB 2.5" 7mm SATA III Internal SSD (with 7mm to 9.5mm spacer)

Crucial MX500 250GB 2.5" 7mm SATA III Internal SSD

Samsung 4GB (1x 4GB) DDR3-1333 PC3-10600 1.5V DR x8 204-pin SODIMM RAM Module

Crucial 4GB (1x 4GB) CL9 DDR3L-1333 PC3L-10600 1.35V / 1.5V DR x8 204-pin SODIMM RAM Module for Mac (or PC)

Crucial 4GB (1x 4GB) CL7 DDR3L-1066 PC3L-8500 1.35V / 1.5V DR x8 204-pin SODIMM RAM Module for Mac (or PC)

System Specifications

Maximum Memory:

Expansion:

Standard Memory:

CPU/Chipset:

Bus Architecture:

Upgrade Path:

Virtually any configuration up to 8GB can be reached using any combination of 1, 2, 4 and 8GB modules.

Comments:

This system is configurable from the manufacturer and may ship with a different amount of standard memory installed.
Maximum configurations require a 64-bit operating system.
As per Alienware the system supports DDR3-1333 memory only on computers with Core i7 processor