Lenovo ThinkPad P70


Yes. 4 slots, up to 64 GB seen working.
It takes DDR4-2133 laptop-size sticks (SO-DIMM).
- Slots
- 4 SO-DIMM slots
- Type
- DDR4-2133 260-pin SO-DIMM
- Most seen working
- 64 GB in two or more machines
- Firmware says
- 64 GB maximum
- How sure
- 9 of 9 reports show this layout
Worked out from 9 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

Batteries in these laptops report 96 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 8 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Lenovo ThinkPad P70?
Yes. 4 slots, up to 64 GB seen working. It takes DDR4-2133 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo ThinkPad P70 use?
DDR4-2133 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Lenovo ThinkPad P70 take?
Machines in the reports run up to 64 GB. That matches the 64 GB maximum the firmware reports.
What battery does the Lenovo ThinkPad P70 use?
Batteries in these laptops report 96 Wh, going by 8 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 P70, and the type code starts with 20ES. Other type codes share this name: 20ER.