Lenovo ThinkCentre M800
Type 10FW Desktop, from 2016 8 hardware reports
Memory
Up to 16 GB
4 full-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable
Yes. 4 slots, up to 16 GB seen working.
It takes DDR4-2133 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR4-2133 288-pin DIMM
- Most seen working
- 16 GB in two or more machines
- Firmware says
- 64 GB maximum (often wrong, so we show what machines run)
- How sure
- 8 of 8 reports show this layout
See 4 GB DDR4-2133 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 8 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 M800?
Yes. 4 slots, up to 16 GB seen working. It takes DDR4-2133 full-size sticks (DIMM).
What type of RAM does the Lenovo ThinkCentre M800 use?
DDR4-2133 full-size sticks (DIMM, 288-pin).
How much RAM can the Lenovo ThinkCentre M800 take?
Machines in the reports run up to 16 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.