Lenovo ThinkPad P53 MWS 15.6
Laptop, from 2022 2 hardware reports
Memory
Up to 64 GB
4 laptop-size slots
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. 4 slots, up to 64 GB seen working.
It takes DDR4-2666 laptop-size sticks (SO-DIMM).
- Slots
- 4 SO-DIMM slots
- Type
- DDR4-2666 260-pin SO-DIMM
- Most seen working
- 64 GB in two or more machines
- Firmware says
- 64 GB maximum
- How sure
- 2 of 2 reports show this layout
See 16 GB DDR4-2666 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.
4 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the Lenovo ThinkPad P53 MWS 15.6?
Yes. 4 slots, up to 64 GB seen working. It takes DDR4-2666 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo ThinkPad P53 MWS 15.6 use?
DDR4-2666 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Lenovo ThinkPad P53 MWS 15.6 take?
Machines in the reports run up to 64 GB. That matches the 64 GB maximum the firmware reports.
Is this my laptop?
Check the model name on the label underneath. It should read ThinkPad P53 MWS 15.6.