Dell Latitude 7490
Laptop, from 2018 143 hardware reports
Memory

Up to 64 GB
2 laptop-size slots
Battery

60 Wh
Internal pack
SSD and charger
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 64 GB seen working.
It takes DDR4-2400 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2400 260-pin SO-DIMM
- Most seen working
- 64 GB in two or more machines
- Firmware says
- 32 GB maximum (often wrong, so we show what machines run)
- How sure
- 143 of 143 reports show this layout
See 32 GB DDR4-2400 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
From 143 reports of this machine in the Linux Hardware Database (CC BY 4.0). Updated 9 Nov 2026.

2 laptop-size slots
Illustration Battery
A 60 Wh battery.
That is the capacity the batteries in these machines report.
From the design capacity the batteries report, in 140 reports. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Dell Latitude 7490?
Yes. 2 slots, up to 64 GB seen working. It takes DDR4-2400 laptop-size sticks (SO-DIMM).
What type of RAM does the Dell Latitude 7490 use?
DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Dell Latitude 7490 take?
Machines in the reports run up to 64 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.
What battery does the Dell Latitude 7490 use?
A 60 Wh battery, going by the batteries in 140 reports.
Is this my laptop?
Check the model name on the label underneath. It should read Latitude 7490.