ASUS ZenBook UX433FN U4300FN
Laptop, from 2018 2 hardware reports
Memory
Soldered
No slot to add more
SSD and charger
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.
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
- LPDDR3-2133
- Soldered
- 8 GB
- Firmware says
- 8 GB maximum
- How sure
- 2 of 2 reports show this layout
Worked out from 2 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 UX433FN U4300FN?
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 UX433FN U4300FN use?
LPDDR3-2133 memory soldered to the board.
How much RAM can the ASUS ZenBook UX433FN U4300FN 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 UX433FN U4300FN.