Dell Inspiron 5406 2n1

2-in-1 laptop, from 2020 22 hardware reports
Memory
Up to 16 GB
2+ laptop-size slots
Battery
40 Wh / 53 Wh
Reported by the batteries
SSD and charger
Coming next
Checked from separate sources
Upgradable

Yes. At least 2 slots, up to 16 GB seen working.

It takes DDR4-3200 laptop-size sticks (SO-DIMM).

Slots
At least 2 SO-DIMM slots
Firmware lists
8 sockets, but no machine in the reports had more than 2 filled. Many laptops list sockets that aren't there, and some workstations hide two slots under the keyboard.
Type
DDR4-3200 260-pin SO-DIMM
Most seen working
16 GB in two or more machines; one machine runs 24 GB
Firmware says
128 GB maximum (often wrong, so we show what machines run)
How sure
22 of 22 reports show this layout
See 8 GB DDR4-3200 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 22 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2+ laptop-size slots
Illustration
Battery

Batteries in these laptops report 40 Wh or 53 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 5406 2n1 battery on AmazonMatch the capacity and part number to the label on your battery.

From 22 battery readings. Sources and method. Updated 9 Nov 2026.

Illustration

Questions

Can I upgrade the RAM in the Dell Inspiron 5406 2n1?

Yes. At least 2 slots, up to 16 GB seen working. It takes DDR4-3200 laptop-size sticks (SO-DIMM).

What type of RAM does the Dell Inspiron 5406 2n1 use?

DDR4-3200 laptop-size sticks (SO-DIMM, 260-pin).

How much RAM can the Dell Inspiron 5406 2n1 take?

Machines in the reports run up to 16 GB, and one runs 24 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.

What battery does the Dell Inspiron 5406 2n1 use?

Batteries in these laptops report 40 Wh or 53 Wh, going by 22 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 5406 2n1.