ASRock FM2A85X Extreme4
Motherboard, from 2013 2 hardware reports
Memory
Up to 12 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources
Only 2 machines reported so far, so this answer rests on few examples. Check the label or open the panel before you buy.
Upgradable
Yes. 4 slots, up to 12 GB seen working.
It takes DDR3-257 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR3-257 240-pin DIMM
- Most seen working
- 12 GB; one machine runs 12 GB
- Firmware says
- 32 GB maximum
- How sure
- 2 of 2 reports show this layout
See 8 GB DDR3-257 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 2 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 FM2A85X Extreme4?
Yes. 4 slots, up to 12 GB seen working. It takes DDR3-257 full-size sticks (DIMM).
What type of RAM does the ASRock FM2A85X Extreme4 use?
DDR3-257 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 FM2A85X Extreme4.