Lenovo ThinkBook 16 G6 IRL

Type 21KH Laptop, from 2023 17 hardware reports
Memory
Up to 64 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable

Yes. 2 slots, up to 64 GB seen working.

It takes DDR5-5200 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR5-5200 262-pin SO-DIMM
Most seen working
64 GB in two or more machines
Firmware says
32 GB maximum (often wrong, so we show what machines run)
How sure
17 of 17 reports show this layout
See 32 GB DDR5-5200 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 17 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2 laptop-size slots
Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkBook 16 G6 IRL?

Yes. 2 slots, up to 64 GB seen working. It takes DDR5-5200 laptop-size sticks (SO-DIMM).

What type of RAM does the Lenovo ThinkBook 16 G6 IRL use?

DDR5-5200 laptop-size sticks (SO-DIMM, 262-pin).

How much RAM can the Lenovo ThinkBook 16 G6 IRL take?

Machines in the reports run up to 64 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.

Is this my laptop?

Check the label on the bottom. It should say ThinkBook 16 G6 IRL, and the type code starts with 21KH.