Dell Inspiron 7400

Laptop, from 2021 7 hardware reports
Memory
Up to 16 GB
6 slots + soldered
Battery
52 Wh / 78 Wh
Reported by the batteries
SSD and charger
Coming next
Checked from separate sources
Partly soldered

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.

6 slots plus soldered memory
Illustration
Battery

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.

Dell Inspiron 7400 battery on AmazonMatch the capacity and part number to the label on your battery.

From 7 battery readings. Sources and method. Updated 9 Nov 2026.

Illustration

Questions

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.