Alienware m15 R6
Yes. 2 slots, up to 16 GB seen working.
It takes DDR4-3200 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-3200 260-pin SO-DIMM
- Most seen working
- 16 GB in two or more machines; one machine runs 64 GB
- Firmware says
- 128 GB maximum (often wrong, so we show what machines run)
- SSD slots
- At least 1 M.2 SSD slot listed by the firmware
- How sure
- 9 of 9 reports show this layout
Worked out from 9 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 55 Wh or 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 9 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Alienware m15 R6?
Yes. 2 slots, up to 16 GB seen working. It takes DDR4-3200 laptop-size sticks (SO-DIMM).
What type of RAM does the Alienware m15 R6 use?
DDR4-3200 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Alienware m15 R6 take?
Machines in the reports run up to 16 GB, and one runs 64 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.
Does the Alienware m15 R6 have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 9 reports. Some firmware leaves a slot out, so there may be more.
What battery does the Alienware m15 R6 use?
Batteries in these laptops report 55 Wh or 84 Wh, going by 9 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 R6.