ASRock Z790 Steel Legend WiFi
Motherboard, from 2022 2 hardware reports
Memory

Up to 128 GB
4 full-size slots
SSD

5+ M.2
At least 5 M.2 SSD slots
SSD length
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 128 GB seen working.
It takes DDR5-7200 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR5-7200 288-pin DIMM
- Most seen working
- 128 GB; one machine runs 128 GB
- Firmware says
- 128 GB maximum
- SSD slots
- At least 5 M.2 SSD slots listed by the firmware
- How sure
- 2 of 2 reports show this layout
See 32 GB DDR5-7200 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 Z790 Steel Legend WiFi?
Yes. 4 slots, up to 128 GB seen working. It takes DDR5-7200 full-size sticks (DIMM).
What type of RAM does the ASRock Z790 Steel Legend WiFi use?
DDR5-7200 full-size sticks (DIMM, 288-pin).
Does the ASRock Z790 Steel Legend WiFi have an M.2 SSD slot?
Yes. The firmware lists at least 5 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 Steel Legend WiFi.