MSI MPG Z790 CARBON WIFI

Board code MS-7D89 Motherboard, from 2022 8 hardware reports

Memory

Up to 64 GB

4 full-size slots

SSD slots

Coming next

Checked from separate sources

Upgradable

Yes. 4 slots, up to 64 GB seen working.

It takes DDR5-4000 full-size sticks (DIMM).

Slots: 4 DIMM slots
Type: DDR5-4000 288-pin DIMM
Most seen working: 64 GB in two or more machines; one machine runs 128 GB
Firmware says: 128 GB maximum (often wrong, so we show what machines run)
How sure: 8 of 8 reports show this layout

See 16 GB DDR5-4000 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 8 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 CARBON WIFI?

Yes. 4 slots, up to 64 GB seen working. It takes DDR5-4000 full-size sticks (DIMM).

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

DDR5-4000 full-size sticks (DIMM, 288-pin).

How much RAM can the MSI MPG Z790 CARBON WIFI take?

Machines in the reports run up to 64 GB, and one runs 128 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 MPG Z790 CARBON WIFI or MS-7D89.