Alienware M18xR1
Laptop, from 2011 2 hardware reports
Memory
Up to 16 GB
4 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Only 2 machines reported so far, so this answer rests on few examples. Check the label or open the panel before you buy.
Upgradable
Yes. 4 slots, up to 16 GB seen working.
It takes DDR3-1333 laptop-size sticks (SO-DIMM).
- Slots
- 4 SO-DIMM slots
- Type
- DDR3-1333 204-pin SO-DIMM
- Most seen working
- 16 GB in two or more machines
- Firmware says
- 16 GB maximum
- How sure
- 2 of 2 reports show this layout
See 4 GB DDR3-1333 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 2 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
4 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the Alienware M18xR1?
Yes. 4 slots, up to 16 GB seen working. It takes DDR3-1333 laptop-size sticks (SO-DIMM).
What type of RAM does the Alienware M18xR1 use?
DDR3-1333 laptop-size sticks (SO-DIMM, 204-pin).
How much RAM can the Alienware M18xR1 take?
Machines in the reports run up to 16 GB. That matches the 16 GB maximum the firmware reports.