Lenovo IdeaPad S145-15IIL

Type 82DJ Laptop, from 2020 16 hardware reports
Memory
Up to 20 GB
1 laptop-size slot + soldered
SSD and charger
Coming next
Checked from separate sources
Partly soldered

Yes, you can add one stick. Up to 20 GB seen working.

4 GB is soldered to the board and one slot is free for a DDR4-2666 laptop-size stick.

Free slots
1 SO-DIMM slot
Type
DDR4-2666 260-pin SO-DIMM
Soldered
4 GB
Most seen working
20 GB in two or more machines
Firmware says
12 GB maximum (often wrong, so we show what machines run)
How sure
15 of 16 reports show this layout
See 16 GB DDR4-2666 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 16 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

1 laptop-size slot plus soldered memory
Illustration

Questions

Can I upgrade the RAM in the Lenovo IdeaPad S145-15IIL?

Yes, you can add one stick. Up to 20 GB seen working. 4 GB is soldered to the board and one slot is free for a DDR4-2666 laptop-size stick.

What type of RAM does the Lenovo IdeaPad S145-15IIL use?

DDR4-2666 laptop-size sticks (SO-DIMM, 260-pin).

How much RAM can the Lenovo IdeaPad S145-15IIL take?

Machines in the reports run up to 20 GB. The firmware reports a maximum of 12 GB, a figure that is often wrong.

Is this my laptop?

Check the label on the bottom. It should say IdeaPad S145-15IIL, and the type code starts with 82DJ. Other type codes share this name: 81W8.

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