Lenovo ThinkPad T15p Gen 3


Yes. 2 slots, up to 32 GB seen working.
It takes DDR5-4800 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR5-4800 262-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines; one machine runs 64 GB
- Firmware says
- 64 GB maximum (often wrong, so we show what machines run)
- How sure
- 5 of 6 reports show this layout
Worked out from 6 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

Batteries in these laptops report 68 Wh.
That is the design capacity the batteries themselves report, and the label can read 1 to 3 Wh higher. Other pack sizes may have shipped, so check the capacity printed on yours before you order.
From 6 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Lenovo ThinkPad T15p Gen 3?
Yes. 2 slots, up to 32 GB seen working. It takes DDR5-4800 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo ThinkPad T15p Gen 3 use?
DDR5-4800 laptop-size sticks (SO-DIMM, 262-pin).
How much RAM can the Lenovo ThinkPad T15p Gen 3 take?
Machines in the reports run up to 32 GB, and one runs 64 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.
What battery does the Lenovo ThinkPad T15p Gen 3 use?
Batteries in these laptops report 68 Wh, going by 6 reports. Other pack sizes may have shipped, so check the capacity printed on yours.
Is this my laptop?
Check the label on the bottom. It should say ThinkPad T15p Gen 3, and the type code starts with 21DA.