Alienware 15 R2
Laptop, from 2018 3 hardware reports
Memory

Up to 16 GB
2 laptop-size slots
Battery

60 Wh / 67 Wh
2 capacities fitted
SSD and charger
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 16 GB seen working.
It takes DDR4-2133 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2133 260-pin SO-DIMM
- Most seen working
- 16 GB in two or more machines; one machine runs 32 GB
- Firmware says
- 32 GB maximum (often wrong, so we show what machines run)
- How sure
- 3 of 3 reports show this layout
See 8 GB DDR4-2133 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
From 3 reports of this machine in the Linux Hardware Database (CC BY 4.0). Updated 9 Nov 2026.

2 laptop-size slots
Illustration Battery
60 Wh or 67 Wh, depending on the battery fitted.
This model shipped with more than one battery. The capacity is printed on the battery itself, so check yours before you order.
From the design capacity the batteries report, in 3 reports. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Alienware 15 R2?
Yes. 2 slots, up to 16 GB seen working. It takes DDR4-2133 laptop-size sticks (SO-DIMM).
What type of RAM does the Alienware 15 R2 use?
DDR4-2133 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Alienware 15 R2 take?
Machines in the reports run up to 16 GB, and one runs 32 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.
What battery does the Alienware 15 R2 use?
A 60 Wh or a 67 Wh battery, going by the batteries in 3 reports.