Lenovo ThinkPad T15p Gen 1
Type 20TN Laptop, from 2021 2 hardware reports
Memory
Up to 32 GB
1+ laptop-size slot
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.
Upgradable
Yes. At least 1 slots, up to 32 GB seen working.
It takes DDR4-2933 laptop-size sticks (SO-DIMM).
- Slots
- At least 1 SO-DIMM slot
- Firmware lists
- 4 sockets, but no machine in the reports had more than 1 filled. Many laptops list sockets that aren't there, and some workstations hide two slots under the keyboard.
- Type
- DDR4-2933 260-pin SO-DIMM
- Most seen working
- 32 GB; one machine runs 32 GB
- Firmware says
- 64 GB maximum
- How sure
- 2 of 2 reports show this layout
See 32 GB DDR4-2933 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 2 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
1+ laptop-size slot
Illustration Questions
Can I upgrade the RAM in the Lenovo ThinkPad T15p Gen 1?
Yes. At least 1 slots, up to 32 GB seen working. It takes DDR4-2933 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo ThinkPad T15p Gen 1 use?
DDR4-2933 laptop-size sticks (SO-DIMM, 260-pin).
Is this my laptop?
Check the label on the bottom. It should say ThinkPad T15p Gen 1, and the type code starts with 20TN.