MSI Z170A GAMING M5

Board code MS-7977 Motherboard, from 2015 26 hardware reports

Memory

Up to 32 GB

4 full-size slots

SSD slots

Coming next

Checked from separate sources

Upgradable

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

It takes DDR4-2133 full-size sticks (DIMM).

Slots: 4 DIMM slots
Type: DDR4-2133 288-pin DIMM
Most seen working: 32 GB in two or more machines; one machine runs 64 GB
Firmware says: 64 GB maximum (often wrong, so we show what machines run)
How sure: 26 of 26 reports show this layout

See 8 GB DDR4-2133 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 26 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.

4 full-size slots

Illustration

Questions

Can I upgrade the RAM in the MSI Z170A GAMING M5?

Yes. 4 slots, up to 32 GB seen working. It takes DDR4-2133 full-size sticks (DIMM).

What type of RAM does the MSI Z170A GAMING M5 use?

DDR4-2133 full-size sticks (DIMM, 288-pin).

How much RAM can the MSI Z170A GAMING M5 take?

Machines in the reports run up to 32 GB, and one runs 64 GB. The firmware reports a maximum of 64 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 Z170A GAMING M5 or MS-7977.