Lenovo ThinkCentre M920s

Type 10SK Desktop, from 2019 5 hardware reports
Memory
Up to 32 GB
4 full-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable

Yes. 4 slots, up to 32 GB seen working.

It takes DDR4-2666 full-size sticks (DIMM).

Slots
4 DIMM slots
Type
DDR4-2666 288-pin DIMM
Most seen working
32 GB in two or more machines
Firmware says
64 GB maximum (often wrong, so we show what machines run)
How sure
5 of 5 reports show this layout
See 8 GB DDR4-2666 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.

4 full-size slots
Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkCentre M920s?

Yes. 4 slots, up to 32 GB seen working. It takes DDR4-2666 full-size sticks (DIMM).

What type of RAM does the Lenovo ThinkCentre M920s use?

DDR4-2666 full-size sticks (DIMM, 288-pin).

How much RAM can the Lenovo ThinkCentre M920s take?

Machines in the reports run up to 32 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.

Is this my desktop?

Check the label on the bottom. It should say ThinkCentre M920s, and the type code starts with 10SK. Other type codes share this name: 10SJ.