Dell Latitude E6400

Laptop, from 2008 105 hardware reports
Memory
Up to 8 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable

Yes. 2 slots, up to 8 GB seen working.

It takes DDR2-800 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR2-800 200-pin SO-DIMM
Most seen working
8 GB in two or more machines
Firmware says
8 GB maximum
How sure
90 of 105 reports show this layout
See 4 GB DDR2-800 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 105 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2 laptop-size slots
Illustration

Questions

Can I upgrade the RAM in the Dell Latitude E6400?

Yes. 2 slots, up to 8 GB seen working. It takes DDR2-800 laptop-size sticks (SO-DIMM).

What type of RAM does the Dell Latitude E6400 use?

DDR2-800 laptop-size sticks (SO-DIMM, 200-pin).

How much RAM can the Dell Latitude E6400 take?

Machines in the reports run up to 8 GB. That matches the 8 GB maximum the firmware reports.

Is this my laptop?

Check the model name on the label underneath. It should read Latitude E6400.