Lenovo IdeaPad 330S-14AST

Type 81F8 Laptop, from 2018 5 hardware reports
Memory
Up to 8 GB
2 laptop-size slots
SSD
1+ M.2
At least 1 M.2 SSD slot
SSD length and charger
Coming next
Checked from separate sources
Upgradable

Yes. 2 slots, up to 8 GB seen working.

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

Slots
2 SO-DIMM slots
Type
DDR4-1866 260-pin SO-DIMM
Most seen working
8 GB in two or more machines
Firmware says
8 GB maximum
SSD slots
At least 1 M.2 SSD slot listed by the firmware
How sure
5 of 5 reports show this layout
See 4 GB DDR4-1866 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 5 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 Lenovo IdeaPad 330S-14AST?

Yes. 2 slots, up to 8 GB seen working. It takes DDR4-1866 laptop-size sticks (SO-DIMM).

What type of RAM does the Lenovo IdeaPad 330S-14AST use?

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

How much RAM can the Lenovo IdeaPad 330S-14AST take?

Machines in the reports run up to 8 GB. That matches the 8 GB maximum the firmware reports.

Does the Lenovo IdeaPad 330S-14AST have an M.2 SSD slot?

Yes. The firmware lists at least 1 M.2 SSD slot, in 5 reports. Some firmware leaves a slot out, so there may be more.

Is this my laptop?

Check the label on the bottom. It should say IdeaPad 330S-14AST, and the type code starts with 81F8.