MSI Z490-A PRO
Board code MS-7C75 Motherboard, from 2020 34 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 DDR4-2666 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR4-2666 288-pin DIMM
- Most seen working
- 64 GB in two or more machines; one machine runs 96 GB
- Firmware says
- 64 GB maximum
- How sure
- 34 of 34 reports show this layout
See 16 GB DDR4-2666 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 34 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 Z490-A PRO?
Yes. 4 slots, up to 64 GB seen working. It takes DDR4-2666 full-size sticks (DIMM).
What type of RAM does the MSI Z490-A PRO use?
DDR4-2666 full-size sticks (DIMM, 288-pin).
How much RAM can the MSI Z490-A PRO take?
Machines in the reports run up to 64 GB, and one runs 96 GB. That matches the 64 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 Z490-A PRO or MS-7C75.