ASRock FM2A75 Pro4

Motherboard, from 2012 6 hardware reports
Memory
Up to 16 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable

Yes. 4 slots, up to 16 GB seen working.

It takes DDR3-1280 full-size sticks (DIMM).

Slots
4 DIMM slots
Type
DDR3-1280 240-pin DIMM
Most seen working
16 GB in two or more machines; one machine runs 24 GB
Firmware says
8 GB maximum (often wrong, so we show what machines run)
How sure
6 of 6 reports show this layout
See 4 GB DDR3-1280 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.

4 full-size slots
Illustration

Questions

Can I upgrade the RAM in the ASRock FM2A75 Pro4?

Yes. 4 slots, up to 16 GB seen working. It takes DDR3-1280 full-size sticks (DIMM).

What type of RAM does the ASRock FM2A75 Pro4 use?

DDR3-1280 full-size sticks (DIMM, 240-pin).

How much RAM can the ASRock FM2A75 Pro4 take?

Machines in the reports run up to 16 GB, and one runs 24 GB. The firmware reports a maximum of 8 GB, a figure that is often wrong.

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 FM2A75 Pro4.