MSI PRO Z790-A WIFI

Board code MS-7E07 Motherboard, from 2022 14 hardware reports

Memory

Up to 128 GB

4 full-size slots

SSD slots

Coming next

Checked from separate sources

Upgradable

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

It takes DDR5-4800 full-size sticks (DIMM).

Slots: 4 DIMM slots
Type: DDR5-4800 288-pin DIMM
Most seen working: 128 GB in two or more machines
Firmware says: 128 GB maximum
How sure: 14 of 14 reports show this layout

See 32 GB DDR5-4800 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 14 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 PRO Z790-A WIFI?

Yes. 4 slots, up to 128 GB seen working. It takes DDR5-4800 full-size sticks (DIMM).

What type of RAM does the MSI PRO Z790-A WIFI use?

DDR5-4800 full-size sticks (DIMM, 288-pin).

How much RAM can the MSI PRO Z790-A WIFI take?

Machines in the reports run up to 128 GB. That matches the 128 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 PRO Z790-A WIFI or MS-7E07.