Alienware 17 R3
Yes. 2 slots, up to 32 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
- 32 GB in two or more machines
- Firmware says
- 32 GB maximum
- How sure
- 11 of 11 reports show this layout
Worked out from 11 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 64 Wh or 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 11 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Alienware 17 R3?
Yes. 2 slots, up to 32 GB seen working. It takes DDR4-2133 laptop-size sticks (SO-DIMM).
What type of RAM does the Alienware 17 R3 use?
DDR4-2133 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Alienware 17 R3 take?
Machines in the reports run up to 32 GB. That matches the 32 GB maximum the firmware reports.
What battery does the Alienware 17 R3 use?
Batteries in these laptops report 64 Wh or 67 Wh, going by 11 reports. Other pack sizes may have shipped, so check the capacity printed on yours.