ASRock Z790 Taichi

Motherboard, from 2023 2 hardware reports
Memory
Up to 32 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 32 GB seen working.

It takes DDR5-4400 full-size sticks (DIMM).

Slots
4 DIMM slots
Type
DDR5-4400 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 5 M.2 SSD slots listed by the firmware
How sure
2 of 2 reports show this layout
See 8 GB DDR5-4400 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 Taichi?

Yes. 4 slots, up to 32 GB seen working. It takes DDR5-4400 full-size sticks (DIMM).

What type of RAM does the ASRock Z790 Taichi use?

DDR5-4400 full-size sticks (DIMM, 288-pin).

How much RAM can the ASRock Z790 Taichi 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 Taichi 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 Taichi.