ASRock A320M/ac
Motherboard, from 2020 4 hardware reports
Memory

Up to 16 GB
2 full-size slots
SSD

1+ M.2
At least 1 M.2 SSD slot
SSD length
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 16 GB seen working.
It takes DDR4-2666 full-size sticks (DIMM).
- Slots
- 2 DIMM slots
- Type
- DDR4-2666 288-pin DIMM
- Most seen working
- 16 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
- 4 of 4 reports show this layout
See 8 GB DDR4-2666 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 4 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.
2 full-size slots
Illustration Questions
Can I upgrade the RAM in the ASRock A320M/ac?
Yes. 2 slots, up to 16 GB seen working. It takes DDR4-2666 full-size sticks (DIMM).
What type of RAM does the ASRock A320M/ac use?
DDR4-2666 full-size sticks (DIMM, 288-pin).
How much RAM can the ASRock A320M/ac take?
Machines in the reports run up to 16 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.
Does the ASRock A320M/ac have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 4 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 A320M/ac.