ASRock B85M Pro3
Motherboard, from 2014 5 hardware reports
Memory
Up to 24 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 4 slots, up to 24 GB seen working.
It takes DDR3-1333 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR3-1333 240-pin DIMM
- Most seen working
- 24 GB; one machine runs 24 GB
- Firmware says
- 32 GB maximum
- How sure
- 5 of 5 reports show this layout
See 4 GB DDR3-1333 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.
4 full-size slots
Illustration Questions
Can I upgrade the RAM in the ASRock B85M Pro3?
Yes. 4 slots, up to 24 GB seen working. It takes DDR3-1333 full-size sticks (DIMM).
What type of RAM does the ASRock B85M Pro3 use?
DDR3-1333 full-size sticks (DIMM, 240-pin).
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 B85M Pro3.