ASUS X555QA

Laptop, from 2017 9 hardware reports
Memory
Up to 12 GB
2+ laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable

Yes. At least 2 slots, up to 12 GB seen working.

It takes DDR4-1866 laptop-size sticks (SO-DIMM).

Slots
At least 2 SO-DIMM slots
Firmware lists
4 sockets, but no machine in the reports had more than 2 filled. Many laptops list sockets that aren't there, and some workstations hide two slots under the keyboard.
Type
DDR4-1866 260-pin SO-DIMM
Most seen working
12 GB in two or more machines
Firmware says
12 GB maximum
How sure
9 of 9 reports show this layout
See 4 GB DDR4-1866 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

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

2+ laptop-size slots
Illustration

Questions

Can I upgrade the RAM in the ASUS X555QA?

Yes. At least 2 slots, up to 12 GB seen working. It takes DDR4-1866 laptop-size sticks (SO-DIMM).

What type of RAM does the ASUS X555QA use?

DDR4-1866 laptop-size sticks (SO-DIMM, 260-pin).

How much RAM can the ASUS X555QA take?

Machines in the reports run up to 12 GB. That matches the 12 GB maximum the firmware reports.

Is this my laptop?

Check the model name on the label underneath. It should read X555QA.