Lenovo IdeaPad L3 15IML05
Type 81Y3 Laptop, from 2020 8 hardware reports
Memory

Up to 8 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 8 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
- 8 GB in two or more machines; one machine runs 20 GB
- Firmware says
- 16 GB maximum (often wrong, so we show what machines run)
- How sure
- 6 of 8 reports show this layout
See 4 GB DDR4-2666 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 8 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 L3 15IML05?
Yes, you can add one stick. Up to 8 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 L3 15IML05 use?
DDR4-2666 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Lenovo IdeaPad L3 15IML05 take?
Machines in the reports run up to 8 GB, and one runs 20 GB. The firmware reports a maximum of 16 GB, a figure that is often wrong.
Is this my laptop?
Check the label on the bottom. It should say IdeaPad L3 15IML05, and the type code starts with 81Y3.
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