Dell Inspiron 7791 2n1
Yes. 2 slots, up to 16 GB seen working.
It takes DDR4-2666 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2666 260-pin SO-DIMM
- Most seen working
- 16 GB in two or more machines
- Firmware says
- 32 GB maximum (often wrong, so we show what machines run)
- How sure
- 10 of 10 reports show this layout
Worked out from 10 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 68 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 10 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Dell Inspiron 7791 2n1?
Yes. 2 slots, up to 16 GB seen working. It takes DDR4-2666 laptop-size sticks (SO-DIMM).
What type of RAM does the Dell Inspiron 7791 2n1 use?
DDR4-2666 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Dell Inspiron 7791 2n1 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 Dell Inspiron 7791 2n1 use?
Batteries in these laptops report 68 Wh, going by 10 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 Inspiron 7791 2n1.