In this guide, I’ll disassemble a Asus UX303LA, refer to this guide, you can upgrade, repair and clean fan for your Asus UX303LA, you also can remove and replace battery, RAM, SSD, wireless card, heat sink and cooling fan.
With the back cover was removed, you can get access to the battery, wireless card, RAM(on board), SSD, heat sink and cooling fan.
Asus UX303LA has a spare mSATA slot for user install SSD.
The 4GB DDR3L 1600MHz RAM is soldered on the motherboard.
It’s also has a spare slot for upgrading RAM.
RAM: add one 4GB ram
RAM Type: DDR3L 1600MHz
SSD: add one mSATA SSD (half height 30*26mm), and you can add a 2.5″ SSD (replace the original hard drive)
SSD Type: mSATA Interface
Second HDD: no support