Alienware M18xR2
Yes. 4 slots, up to 32 GB seen working.
It takes DDR3-1600 laptop-size sticks (SO-DIMM).
- Slots
- 4 SO-DIMM slots
- Type
- DDR3-1600 204-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines
- Firmware says
- 32 GB maximum
- How sure
- 3 of 3 reports show this layout
Worked out from 3 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 96 Wh.
That is the design capacity the batteries themselves report, and the label can read 1 to 3 Wh higher. Other pack sizes may have shipped, so check the capacity printed on yours before you order.
From 3 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Alienware M18xR2?
Yes. 4 slots, up to 32 GB seen working. It takes DDR3-1600 laptop-size sticks (SO-DIMM).
What type of RAM does the Alienware M18xR2 use?
DDR3-1600 laptop-size sticks (SO-DIMM, 204-pin).
How much RAM can the Alienware M18xR2 take?
Machines in the reports run up to 32 GB. That matches the 32 GB maximum the firmware reports.
What battery does the Alienware M18xR2 use?
Batteries in these laptops report 96 Wh, going by 3 reports. Other pack sizes may have shipped, so check the capacity printed on yours.