Dell Inspiron 5391
No. The memory is soldered to the board.
8 GB is built in and there is no slot to add more.
- Free slots
- None
- Type
- LPDDR3-2133
- Soldered
- 8 GB
- Firmware says
- 8 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 45 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 Dell Inspiron 5391?
No. The memory is soldered to the board. 8 GB is built in and there is no slot to add more.
What type of RAM does the Dell Inspiron 5391 use?
LPDDR3-2133 memory soldered to the board.
How much RAM can the Dell Inspiron 5391 take?
Machines in the reports run up to 8 GB. That matches the 8 GB maximum the firmware reports.
What battery does the Dell Inspiron 5391 use?
Batteries in these laptops report 45 Wh, going by 11 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 5391.