MSI MS-B1831
Motherboard, from 2019 11 hardware reports
Memory
Up to 32 GB
2 laptop-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 32 GB seen working.
It takes DDR4-2666 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2666 260-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines
- Firmware says
- 32 GB maximum
- How sure
- 11 of 11 reports show this layout
See 16 GB DDR4-2666 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 11 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.
2 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the MSI MS-B1831?
Yes. 2 slots, up to 32 GB seen working. It takes DDR4-2666 laptop-size sticks (SO-DIMM).
What type of RAM does the MSI MS-B1831 use?
DDR4-2666 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the MSI MS-B1831 take?
Machines in the reports run up to 32 GB. That matches the 32 GB maximum the firmware reports.
Is this my motherboard?
The model name is printed on the board, usually between the memory slots or near the CPU socket. In Windows, open System Information and look at "BaseBoard Product"; it should read MS-B1831.