Dell Latitude 3540
It depends on the configuration.
The reports show more than one memory layout for this laptop. Check the label or the system information before you buy.
- Slots
- 2 SO-DIMM slots
- Type
- DDR3-1600 204-pin SO-DIMM
- Most seen working
- 16 GB in two or more machines; one machine runs 64 GB
- Firmware says
- 16 GB maximum
- How sure
- 10 of 17 reports show this layout
Worked out from 17 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 28 Wh or 42 Wh or 54 Wh or 60 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 15 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Dell Latitude 3540?
It depends on the configuration: the reports show more than one memory layout for this laptop.
What type of RAM does the Dell Latitude 3540 use?
DDR3-1600 laptop-size sticks (SO-DIMM, 204-pin).
How much RAM can the Dell Latitude 3540 take?
Machines in the reports run up to 16 GB, and one runs 64 GB. That matches the 16 GB maximum the firmware reports.
What battery does the Dell Latitude 3540 use?
Batteries in these laptops report 28 Wh or 42 Wh or 54 Wh or 60 Wh, going by 15 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 3540.