Lenovo ThinkBook 15 G5 ABP

Type 21JF Laptop, from 2023 4 hardware reports
Memory
Up to 8 GB
1 slot + soldered
SSD
2+ M.2
At least 2 M.2 SSD slots
SSD length and charger
Coming next
Checked from separate sources
Partly soldered

Yes, you can add one stick. Up to 8 GB seen working.

8 GB is soldered to the board and one slot is free for a DDR4-3200 stick.

Free slots
1 memory slot
Type
DDR4-3200
Soldered
8 GB
Most seen working
8 GB in two or more machines
Firmware says
64 GB maximum (often wrong, so we show what machines run)
SSD slots
At least 2 M.2 SSD slots listed by the firmware
How sure
4 of 4 reports show this layout

Worked out from 4 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

1 slot plus soldered memory
Illustration

Questions

Can I upgrade the RAM in the Lenovo ThinkBook 15 G5 ABP?

Yes, you can add one stick. Up to 8 GB seen working. 8 GB is soldered to the board and one slot is free for a DDR4-3200 stick.

What type of RAM does the Lenovo ThinkBook 15 G5 ABP use?

DDR4-3200 memory soldered to the board.

How much RAM can the Lenovo ThinkBook 15 G5 ABP take?

Machines in the reports run up to 8 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.

Does the Lenovo ThinkBook 15 G5 ABP have an M.2 SSD slot?

Yes. The firmware lists at least 2 M.2 SSD slots, in 4 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 15 G5 ABP, and the type code starts with 21JF.

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