Lenovo E43

Laptop, from 2008 7 hardware reports
Memory
Up to 4 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable

Yes. 2 slots, up to 4 GB seen working.

It takes DDR2-667 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR2-667 200-pin SO-DIMM
Most seen working
4 GB in two or more machines; one machine runs 8 GB
Firmware says
4 GB maximum
How sure
7 of 7 reports show this layout
See 8 GB DDR2-667 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 7 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 Lenovo E43?

Yes. 2 slots, up to 4 GB seen working. It takes DDR2-667 laptop-size sticks (SO-DIMM).

What type of RAM does the Lenovo E43 use?

DDR2-667 laptop-size sticks (SO-DIMM, 200-pin).

How much RAM can the Lenovo E43 take?

Machines in the reports run up to 4 GB, and one runs 8 GB. That matches the 4 GB maximum the firmware reports.

Is this my laptop?

Check the model name on the label underneath. It should read E43.