System76 Lemur Pro
Laptop, from 2020 37 hardware reports
Memory
Up to 40 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 40 GB seen working.
It takes DDR4-2667 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2667 260-pin SO-DIMM
- Most seen working
- 40 GB in two or more machines; one machine runs 56 GB
- Firmware says
- 128 GB maximum (often wrong, so we show what machines run)
- How sure
- 34 of 37 reports show this layout
See 16 GB DDR4-2667 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
From 37 reports of this machine in the Linux Hardware Database (CC BY 4.0). Updated 9 Nov 2026.
2 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the System76 Lemur Pro?
Yes. 2 slots, up to 40 GB seen working. It takes DDR4-2667 laptop-size sticks (SO-DIMM).
What type of RAM does the System76 Lemur Pro use?
DDR4-2667 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the System76 Lemur Pro take?
Machines in the reports run up to 40 GB, and one runs 56 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.
Is this my laptop?
Check the model name on the label underneath. It should read Lemur Pro.