Alienware m15 R2
No. The memory is soldered to the board.
16 GB is built in and there is no slot to add more.
- Free slots
- None
- Type
- DDR4-2666
- Soldered
- 16 GB
- Firmware says
- 32 GB maximum (often wrong, so we show what machines run)
- 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 67 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 m15 R2?
No. The memory is soldered to the board. 16 GB is built in and there is no slot to add more.
What type of RAM does the Alienware m15 R2 use?
DDR4-2666 memory soldered to the board.
How much RAM can the Alienware m15 R2 take?
Machines in the reports run up to 16 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.
What battery does the Alienware m15 R2 use?
Batteries in these laptops report 67 Wh, going by 3 reports. Other pack sizes may have shipped, so check the capacity printed on yours.
Is this my laptop?
Check the model name on the label underneath. It should read m15 R2.