Dell Inspiron 7400


Yes, you can add one stick. Up to 16 GB seen working.
8 or 16 GB is soldered to the board and 6 slots are free for a LPDDR4-4266 stick.
- Free slots
- 6 memory slots
- Type
- LPDDR4-4266
- Soldered
- 8 GB or 16 GB, depending on the configuration
- Most seen working
- 16 GB in two or more machines
- Firmware says
- 16 GB maximum
- How sure
- 7 of 7 reports show this layout
Worked out from 7 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

Batteries in these laptops report 52 Wh or 78 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 7 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Dell Inspiron 7400?
Yes, you can add one stick. Up to 16 GB seen working. 8 or 16 GB is soldered to the board and 6 slots are free for a LPDDR4-4266 stick.
What type of RAM does the Dell Inspiron 7400 use?
LPDDR4-4266 memory soldered to the board.
How much RAM can the Dell Inspiron 7400 take?
Machines in the reports run up to 16 GB. That matches the 16 GB maximum the firmware reports.
What battery does the Dell Inspiron 7400 use?
Batteries in these laptops report 52 Wh or 78 Wh, going by 7 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 7400.