ASRock AB350 Pro4

Motherboard, from 2017 57 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 DDR4-2400 full-size sticks (DIMM).

Slots
4 DIMM slots
Type
DDR4-2400 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
57 of 57 reports show this layout
See 16 GB DDR4-2400 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 57 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 ASRock AB350 Pro4?

Yes. 4 slots, up to 64 GB seen working. It takes DDR4-2400 full-size sticks (DIMM).

What type of RAM does the ASRock AB350 Pro4 use?

DDR4-2400 full-size sticks (DIMM, 288-pin).

How much RAM can the ASRock AB350 Pro4 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 ASRock AB350 Pro4 have an M.2 SSD slot?

Yes. The firmware lists at least 1 M.2 SSD slot, in 55 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 AB350 Pro4.