Gigabyte Z790 UD
Motherboard, from 2023 9 hardware reports
Memory

Up to 32 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable
Yes. 4 slots, up to 32 GB seen working.
It takes DDR5-4800 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR5-4800 288-pin DIMM
- Most seen working
- 32 GB in two or more machines; one machine runs 128 GB
- Firmware says
- 128 GB maximum (often wrong, so we show what machines run)
- How sure
- 9 of 9 reports show this layout
See 8 GB DDR5-4800 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 9 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 Gigabyte Z790 UD?
Yes. 4 slots, up to 32 GB seen working. It takes DDR5-4800 full-size sticks (DIMM).
What type of RAM does the Gigabyte Z790 UD use?
DDR5-4800 full-size sticks (DIMM, 288-pin).
How much RAM can the Gigabyte Z790 UD take?
Machines in the reports run up to 32 GB, and one runs 128 GB. The firmware reports a maximum of 128 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 Z790 UD.