Lenovo ThinkCentre M90n-1
Type 11AD Mini PC, from 2020 5 hardware reports
Memory
Up to 16 GB
2 laptop-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 16 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
- 16 GB in two or more machines
- Firmware says
- 32 GB maximum (often wrong, so we show what machines run)
- How sure
- 5 of 5 reports show this layout
See 8 GB DDR4-2400 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 5 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.
2 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the Lenovo ThinkCentre M90n-1?
Yes. 2 slots, up to 16 GB seen working. It takes DDR4-2400 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo ThinkCentre M90n-1 use?
DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Lenovo ThinkCentre M90n-1 take?
Machines in the reports run up to 16 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.
Is this my desktop?
Check the label on the bottom. It should say ThinkCentre M90n-1, and the type code starts with 11AD. Other type codes share this name: 11AH.