Lenovo ThinkBook 15p Gen 2
Type 21B1 Laptop, from 2021 11 hardware reports
Memory

Up to 32 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 32 GB seen working.
It takes DDR4-3200 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-3200 260-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines; one machine runs 64 GB
- Firmware says
- 32 GB maximum
- How sure
- 11 of 11 reports show this layout
See 16 GB DDR4-3200 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 11 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 15p Gen 2?
Yes. 2 slots, up to 32 GB seen working. It takes DDR4-3200 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo ThinkBook 15p Gen 2 use?
DDR4-3200 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Lenovo ThinkBook 15p Gen 2 take?
Machines in the reports run up to 32 GB, and one runs 64 GB. That matches the 32 GB maximum the firmware reports.
Is this my laptop?
Check the label on the bottom. It should say ThinkBook 15p Gen 2, and the type code starts with 21B1.
More in the Lenovo ThinkBook
- ThinkBook 15 G2 ITL (20VE)
- ThinkBook 15 G3 ACL (21A4)
- ThinkBook 14 G2 ITL (20VD)
- ThinkBook 15-IIL (20SM)
- ThinkBook 14-IIL (20SL)
- ThinkBook 16p Gen 2 (20YM)
- ThinkBook 15 G2 ARE (20VG)
- ThinkBook 13s G2 ITL (20V9)
- ThinkBook 15-IML (20RW)
- ThinkBook 14 G3 ACL (21A2)
- ThinkBook 14-IML (20RV)
- ThinkBook 14 G2 ARE (20VF)