Dell Latitude 3420
Yes. 2 slots, up to 32 GB seen working.
It takes DDR4-3200 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-3200 260-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines; one machine runs 40 GB
- Firmware says
- 32 GB maximum
- How sure
- 50 of 50 reports show this layout
Worked out from 50 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 41 Wh or 54 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 50 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Dell Latitude 3420?
Yes. 2 slots, up to 32 GB seen working. It takes DDR4-3200 laptop-size sticks (SO-DIMM).
What type of RAM does the Dell Latitude 3420 use?
DDR4-3200 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Dell Latitude 3420 take?
Machines in the reports run up to 32 GB, and one runs 40 GB. That matches the 32 GB maximum the firmware reports.
What battery does the Dell Latitude 3420 use?
Batteries in these laptops report 41 Wh or 54 Wh, going by 50 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 Latitude 3420.