ASRock Z790 PG SONIC
Only 2 machines reported so far, so this answer rests on few examples. Check the label or open the panel before you buy.
Yes. 4 slots, up to 32 GB seen working.
It takes DDR5-5600 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR5-5600 288-pin DIMM
- Most seen working
- 32 GB in two or more machines
- Firmware says
- 128 GB maximum (often wrong, so we show what machines run)
- SSD slots
- At least 3 M.2 SSD slots listed by the firmware
- How sure
- 2 of 2 reports show this layout
Worked out from 2 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.
Questions
Can I upgrade the RAM in the ASRock Z790 PG SONIC?
Yes. 4 slots, up to 32 GB seen working. It takes DDR5-5600 full-size sticks (DIMM).
What type of RAM does the ASRock Z790 PG SONIC use?
DDR5-5600 full-size sticks (DIMM, 288-pin).
How much RAM can the ASRock Z790 PG SONIC take?
Machines in the reports run up to 32 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.
Does the ASRock Z790 PG SONIC have an M.2 SSD slot?
Yes. The firmware lists at least 3 M.2 SSD slots, in 2 reports. Some firmware leaves a slot out, so there may be more.
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 Z790 PG SONIC.