ASRock FM2A55M-DGS
Motherboard, from 2012 6 hardware reports
Memory

Up to 8 GB
2 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 8 GB seen working.
It takes DDR3-58301 full-size sticks (DIMM).
- Slots
- 2 DIMM slots
- Type
- DDR3-58301 240-pin DIMM
- Most seen working
- 8 GB in two or more machines
- Firmware says
- 8 GB maximum
- How sure
- 6 of 6 reports show this layout
See 4 GB DDR3-58301 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 6 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 FM2A55M-DGS?
Yes. 2 slots, up to 8 GB seen working. It takes DDR3-58301 full-size sticks (DIMM).
What type of RAM does the ASRock FM2A55M-DGS use?
DDR3-58301 full-size sticks (DIMM, 240-pin).
How much RAM can the ASRock FM2A55M-DGS take?
Machines in the reports run up to 8 GB. That matches the 8 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 FM2A55M-DGS.