MSI B450M GAMING PLUS

Board code MS-7B87 Motherboard, from 2019 13 hardware reports

Memory

Up to 16 GB

2 full-size slots

SSD slots

Coming next

Checked from separate sources

Upgradable

Yes. 2 slots, up to 16 GB seen working.

It takes DDR4-1600 full-size sticks (DIMM).

Slots: 2 DIMM slots
Type: DDR4-1600 288-pin DIMM
Most seen working: 16 GB in two or more machines; one machine runs 32 GB
Firmware says: 128 GB maximum (often wrong, so we show what machines run)
How sure: 12 of 13 reports show this layout

See 8 GB DDR4-1600 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 13 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.

2 full-size slots

Illustration

Questions

Can I upgrade the RAM in the MSI B450M GAMING PLUS?

Yes. 2 slots, up to 16 GB seen working. It takes DDR4-1600 full-size sticks (DIMM).

What type of RAM does the MSI B450M GAMING PLUS use?

DDR4-1600 full-size sticks (DIMM, 288-pin).

How much RAM can the MSI B450M GAMING PLUS take?

Machines in the reports run up to 16 GB, and one runs 32 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.

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 B450M GAMING PLUS or MS-7B87.