Asus Zenbook 13 UX331UN Review, Disassembly and SSD, RAM upgrade options


The ultrathin fan helps heat dissipation of processor and graphics card. The rear vent is under the screen.

remove connecting wire
First of all, remove connecting wire between battery and motherboard.

battery capacity
It sports a 15.4V, 50Wh battery. The battery’s rated capacity is 3,160mAh.

remove battery
Gently take out the battery to avoid breaking it because the battery is thin and has a large area.

remove connecting wire
After removing the battery, we can see touchpad module. The motherboard can be seen. The connecting cable on the right is speaker’ and it can be removed. Besides, we need to remove the connecting wire between touchpad and motherboard.

There are two speakers: one is on the left, and the other is on the right.

remove speaker
The speakers aren’t fixed by the screw. Don’t lose mat when taking out the speakers.

The M.2 SSD is fixed by a screw.

SSD storage particle
These are SSD storage chips with SanDisk logo.

SSD capacity
SanDisk X400 M.2 2280 SATA3 512GB SSD

Wireless Wi-Fi card is integrated on the motherboard, so it can’t be removed.

remove motherboard
After removing all the connecting cables and screws which are used to fix motherboard, we can take out the motherboard.

remove screw
The motherboard is light. We can remove fixed screws to remove the heat sink and cooling fan module.


remove heat dissipation module
Now, we remove the heat dissipation module. The fan is connected to the copper tube. After removing the module, processor and graphics card chips can be seen.
The 8GB DDR3 RAM module is soldering on the motherboard, and without free RAM slot, so the RAM can not upgrade.

graphics card
The Geforce MX150 graphics card’s capacity is 2GB. It is Samsung’s memory chips.

This is Intel’s eighth-generation i7-8850U processor.

disassembled accessory

Accessories we have removed include the battery, speaker, SSD, fan heat dissipation and motherboard. In general, the Asus Zenbook 13 UX331UN is easy to be disassembled, but it only has few parts can be changed. The laptop has good internal layout and workmanship.

The front of motherboard

The back of motherboard


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