ASUS K53U

Laptop, from 2011 68 hardware reports
Memory
Up to 12 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable

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

It takes DDR3-1333 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR3-1333 204-pin SO-DIMM
Most seen working
12 GB in two or more machines
Firmware says
8 GB maximum (often wrong, so we show what machines run)
How sure
68 of 68 reports show this layout
See 4 GB DDR3-1333 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 68 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 K53U?

Yes. 2 slots, up to 12 GB seen working. It takes DDR3-1333 laptop-size sticks (SO-DIMM).

What type of RAM does the ASUS K53U use?

DDR3-1333 laptop-size sticks (SO-DIMM, 204-pin).

How much RAM can the ASUS K53U take?

Machines in the reports run up to 12 GB. The firmware reports a maximum of 8 GB, a figure that is often wrong.

Is this my laptop?

Check the model name on the label underneath. It should read K53U.