MSI MPG B550 GAMING CARBON WIFI

Board code MS-7C90 Motherboard, from 2020 14 hardware reports
Memory
Up to 64 GB
4 full-size slots
SSD
1+ M.2
At least 1 M.2 SSD slot
SSD length
Coming next
Checked from separate sources
Upgradable

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

It takes DDR4-3200 full-size sticks (DIMM).

Slots
4 DIMM slots
Type
DDR4-3200 288-pin DIMM
Most seen working
64 GB in two or more machines
Firmware says
128 GB maximum (often wrong, so we show what machines run)
SSD slots
At least 1 M.2 SSD slot listed by the firmware
How sure
14 of 14 reports show this layout
See 16 GB DDR4-3200 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 MPG B550 GAMING CARBON WIFI?

Yes. 4 slots, up to 64 GB seen working. It takes DDR4-3200 full-size sticks (DIMM).

What type of RAM does the MSI MPG B550 GAMING CARBON WIFI use?

DDR4-3200 full-size sticks (DIMM, 288-pin).

How much RAM can the MSI MPG B550 GAMING CARBON WIFI take?

Machines in the reports run up to 64 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.

Does the MSI MPG B550 GAMING CARBON WIFI have an M.2 SSD slot?

Yes. The firmware lists at least 1 M.2 SSD slot, in 14 reports. Some firmware leaves a slot out, so there may be more.

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 B550 GAMING CARBON WIFI or MS-7C90.

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