Lenovo ThinkPad X13s Gen 1
Type 21BY Laptop, from 2023 2 hardware reports
Memory
Soldered
No slot to add more
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.
Not upgradable
No. The memory is soldered to the board.
All of the memory is built in and there is no slot to add more.
- Slots
- None
- Firmware says
- 16 GB maximum
- How sure
- 2 of 2 reports show this layout
Worked out from 2 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
All soldered
Illustration Questions
Can I upgrade the RAM in the Lenovo ThinkPad X13s Gen 1?
No. The memory is soldered to the board. All of the memory is built in and there is no slot to add more.
Is this my laptop?
Check the label on the bottom. It should say ThinkPad X13s Gen 1, and the type code starts with 21BY.