ASRock X300TM-ITX
Motherboard, from 2021 3 hardware reports
Memory
Up to 32 GB
2 laptop-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 32 GB seen working.
It takes DDR4-2666 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2666 260-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines
- Firmware says
- 128 GB maximum (often wrong, so we show what machines run)
- How sure
- 3 of 3 reports show this layout
See 16 GB DDR4-2666 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 3 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 X300TM-ITX?
Yes. 2 slots, up to 32 GB seen working. It takes DDR4-2666 laptop-size sticks (SO-DIMM).
What type of RAM does the ASRock X300TM-ITX use?
DDR4-2666 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the ASRock X300TM-ITX take?
Machines in the reports run up to 32 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.