Lenovo ThinkBook 13s G3 ACN

Type 20YA Laptop, from 2021 8 hardware reports
Memory
Soldered
No slot to add more
SSD
1+ M.2
At least 1 M.2 SSD slot
SSD length and charger
Coming next
Checked from separate sources
Not upgradable

No. The memory is soldered to the board.

8 or 16 GB is built in and there is no slot to add more.

Free slots
None
Type
LPDDR4-4266
Soldered
8 GB or 16 GB, depending on the configuration
Firmware says
16 GB maximum
SSD slots
At least 1 M.2 SSD slot listed by the firmware
How sure
8 of 8 reports show this layout

Worked out from 8 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

All soldered
Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkBook 13s G3 ACN?

No. The memory is soldered to the board. 8 or 16 GB is built in and there is no slot to add more.

What type of RAM does the Lenovo ThinkBook 13s G3 ACN use?

LPDDR4-4266 memory soldered to the board.

How much RAM can the Lenovo ThinkBook 13s G3 ACN take?

Machines in the reports run up to 16 GB. That matches the 16 GB maximum the firmware reports.

Does the Lenovo ThinkBook 13s G3 ACN have an M.2 SSD slot?

Yes. The firmware lists at least 1 M.2 SSD slot, in 8 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 ThinkBook 13s G3 ACN, and the type code starts with 20YA.

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