Lenovo ThinkBook 13x G4 IMH
Type 21KR Laptop, from 2024 5 hardware reports
Memory

Soldered
No slot to add more
SSD and charger
Coming next
Checked from separate sources
Not upgradable
No. The memory is soldered to the board.
16 or 32 GB is built in and there is no slot to add more.
- Free slots
- None
- Type
- LPDDR5-8400
- Soldered
- 16 GB or 32 GB, depending on the configuration
- Firmware says
- 32 GB maximum
- How sure
- 5 of 5 reports show this layout
Worked out from 5 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 13x G4 IMH?
No. The memory is soldered to the board. 16 or 32 GB is built in and there is no slot to add more.
What type of RAM does the Lenovo ThinkBook 13x G4 IMH use?
LPDDR5-8400 memory soldered to the board.
How much RAM can the Lenovo ThinkBook 13x G4 IMH 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 ThinkBook 13x G4 IMH, and the type code starts with 21KR.
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