Alienware m15 R7


Yes. 2 slots, up to 64 GB seen working.
It takes DDR5-4800 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR5-4800 262-pin SO-DIMM
- Most seen working
- 64 GB in two or more machines
- Firmware says
- 64 GB maximum
- How sure
- 17 of 17 reports show this layout
Worked out from 17 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

Batteries in these laptops report 84 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 17 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Alienware m15 R7?
Yes. 2 slots, up to 64 GB seen working. It takes DDR5-4800 laptop-size sticks (SO-DIMM).
What type of RAM does the Alienware m15 R7 use?
DDR5-4800 laptop-size sticks (SO-DIMM, 262-pin).
How much RAM can the Alienware m15 R7 take?
Machines in the reports run up to 64 GB. That matches the 64 GB maximum the firmware reports.
What battery does the Alienware m15 R7 use?
Batteries in these laptops report 84 Wh, going by 17 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 R7.