ASUS Zenbook UX3402ZA Q409ZA

Laptop, from 2022 6 hardware reports
Memory
Soldered
No slot to add more
SSD and charger
Coming next
Checked from separate sources
Not upgradable

No. The memory is soldered to the board.

8 GB is built in and there is no slot to add more.

Free slots
None
Type
LPDDR5-4800
Soldered
8 GB
Firmware says
8 GB maximum
How sure
6 of 6 reports show this layout

Worked out from 6 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

All soldered
Illustration

Questions

Can I upgrade the RAM in the ASUS Zenbook UX3402ZA Q409ZA?

No. The memory is soldered to the board. 8 GB is built in and there is no slot to add more.

What type of RAM does the ASUS Zenbook UX3402ZA Q409ZA use?

LPDDR5-4800 memory soldered to the board.

How much RAM can the ASUS Zenbook UX3402ZA Q409ZA take?

Machines in the reports run up to 8 GB. That matches the 8 GB maximum the firmware reports.

Is this my laptop?

Check the model name on the label underneath. It should read Zenbook UX3402ZA Q409ZA.