Lenovo ThinkCentre M820z
Type 10SD All-in-one, from 2018 6 hardware reports
Memory

Up to 8 GB
2 laptop-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 8 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
- 8 GB in two or more machines; one machine runs 12 GB
- Firmware says
- 32 GB maximum (often wrong, so we show what machines run)
- How sure
- 6 of 6 reports show this layout
See 4 GB DDR4-2400 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 6 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 M820z?
Yes. 2 slots, up to 8 GB seen working. It takes DDR4-2400 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo ThinkCentre M820z use?
DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Lenovo ThinkCentre M820z take?
Machines in the reports run up to 8 GB, and one runs 12 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 M820z, and the type code starts with 10SD.