Lenovo IdeaPad 510S-13ISK

Type 80SJ Laptop, from 2016 2 hardware reports
Memory
Up to 8 GB
1+ laptop-size slot
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.

Upgradable

Yes. At least 1 slots, up to 8 GB seen working.

It takes DDR4-2133 laptop-size sticks (SO-DIMM).

Slots
At least 1 SO-DIMM slot
Firmware lists
4 sockets, but no machine in the reports had more than 1 filled. Many laptops list sockets that aren't there, and some workstations hide two slots under the keyboard.
Type
DDR4-2133 260-pin SO-DIMM
Most seen working
8 GB; one machine runs 8 GB
Firmware says
32 GB maximum
How sure
2 of 2 reports show this layout
See 8 GB DDR4-2133 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 2 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

1+ laptop-size slot
Illustration

Questions

Can I upgrade the RAM in the Lenovo IdeaPad 510S-13ISK?

Yes. At least 1 slots, up to 8 GB seen working. It takes DDR4-2133 laptop-size sticks (SO-DIMM).

What type of RAM does the Lenovo IdeaPad 510S-13ISK use?

DDR4-2133 laptop-size sticks (SO-DIMM, 260-pin).

Is this my laptop?

Check the label on the bottom. It should say IdeaPad 510S-13ISK, and the type code starts with 80SJ.

More in the Lenovo IdeaPad