Lenovo ThinkPad P16s Gen 1


Yes. At least 2 slots, up to 32 GB seen working.
It takes DDR4-3200 laptop-size sticks (SO-DIMM).
- Slots
- At least 2 SO-DIMM slots
- Firmware lists
- 8 sockets, but no machine in the reports had more than 2 filled. Many laptops list sockets that aren't there, and some workstations hide two slots under the keyboard.
- Type
- DDR4-3200 260-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines
- Firmware says
- 256 GB maximum (often wrong, so we show what machines run)
- How sure
- 3 of 3 reports show this layout
Worked out from 3 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

Batteries in these laptops report 52 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 3 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Lenovo ThinkPad P16s Gen 1?
Yes. At least 2 slots, up to 32 GB seen working. It takes DDR4-3200 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo ThinkPad P16s Gen 1 use?
DDR4-3200 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Lenovo ThinkPad P16s Gen 1 take?
Machines in the reports run up to 32 GB. The firmware reports a maximum of 256 GB, a figure that is often wrong.
What battery does the Lenovo ThinkPad P16s Gen 1 use?
Batteries in these laptops report 52 Wh, going by 3 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 P16s Gen 1, and the type code starts with 21BT. Other type codes share this name: 21CK.