Lenovo ThinkPad T14s Gen 4
Type 21F6 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.
Depends on the configuration
It depends on the configuration.
The reports show more than one memory layout for this laptop. Check the label or the system information before you buy.
- Free slots
- None
- Type
- LPDDR5-4800
- Soldered
- 32 GB
- Firmware says
- 32 GB maximum
- How sure
- 1 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 T14s Gen 4?
It depends on the configuration: the reports show more than one memory layout for this laptop.
What type of RAM does the Lenovo ThinkPad T14s Gen 4 use?
LPDDR5-4800 memory soldered to the board.
How much RAM can the Lenovo ThinkPad T14s Gen 4 take?
Machines in the reports run up to 32 GB. That matches the 32 GB maximum the firmware reports.
Is this my laptop?
Check the label on the bottom. It should say ThinkPad T14s Gen 4, and the type code starts with 21F6. Other type codes share this name: 21F8.