MSI MPG Z790 EDGE WIFI

Board code MS-7D91 Motherboard, from 2023 2 hardware reports
Memory
Up to 128 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources

Only 2 machines reported so far, so this answer rests on few examples. Check the label or open the panel before you buy.

Upgradable

Yes. 4 slots, up to 128 GB seen working.

It takes DDR5-5600 full-size sticks (DIMM).

Slots
4 DIMM slots
Type
DDR5-5600 288-pin DIMM
Most seen working
128 GB; one machine runs 128 GB
Firmware says
128 GB maximum
How sure
2 of 2 reports show this layout
See 32 GB DDR5-5600 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 2 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 MPG Z790 EDGE WIFI?

Yes. 4 slots, up to 128 GB seen working. It takes DDR5-5600 full-size sticks (DIMM).

What type of RAM does the MSI MPG Z790 EDGE WIFI use?

DDR5-5600 full-size sticks (DIMM, 288-pin).

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 MPG Z790 EDGE WIFI or MS-7D91.