ASRock J4125-ITX
Motherboard, from 2020 5 hardware reports
Memory
Up to 32 GB
2 laptop-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 32 GB seen working.
It takes DDR4-2400 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2400 260-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines
- Firmware says
- 32 GB maximum
- SSD slots
- At least 1 M.2 SSD slot listed by the firmware
- How sure
- 5 of 5 reports show this layout
See 16 GB DDR4-2400 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 5 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.
2 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the ASRock J4125-ITX?
Yes. 2 slots, up to 32 GB seen working. It takes DDR4-2400 laptop-size sticks (SO-DIMM).
What type of RAM does the ASRock J4125-ITX use?
DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the ASRock J4125-ITX take?
Machines in the reports run up to 32 GB. That matches the 32 GB maximum the firmware reports.
Does the ASRock J4125-ITX have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 5 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 J4125-ITX.