ASRock J3455M
Motherboard, from 2017 10 hardware reports
Memory
Up to 16 GB
2 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 16 GB seen working.
It takes DDR3-1600 full-size sticks (DIMM).
- Slots
- 2 DIMM slots
- Type
- DDR3-1600 240-pin DIMM
- Most seen working
- 16 GB in two or more machines
- Firmware says
- 16 GB maximum
- How sure
- 10 of 10 reports show this layout
See 8 GB DDR3-1600 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 10 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 J3455M?
Yes. 2 slots, up to 16 GB seen working. It takes DDR3-1600 full-size sticks (DIMM).
What type of RAM does the ASRock J3455M use?
DDR3-1600 full-size sticks (DIMM, 240-pin).
How much RAM can the ASRock J3455M take?
Machines in the reports run up to 16 GB. That matches the 16 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 J3455M.