Lenovo ThinkPad W520 42763JU
Laptop, from 2012 3 hardware reports
Memory
Up to 32 GB
4 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable
Yes. 4 slots, up to 32 GB seen working.
It takes DDR3-1333 laptop-size sticks (SO-DIMM).
- Slots
- 4 SO-DIMM slots
- Type
- DDR3-1333 204-pin SO-DIMM
- Most seen working
- 32 GB; one machine runs 32 GB
- Firmware says
- 32 GB maximum
- How sure
- 3 of 3 reports show this layout
See 8 GB DDR3-1333 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 3 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 W520 42763JU?
Yes. 4 slots, up to 32 GB seen working. It takes DDR3-1333 laptop-size sticks (SO-DIMM).
What type of RAM does the Lenovo ThinkPad W520 42763JU use?
DDR3-1333 laptop-size sticks (SO-DIMM, 204-pin).
Is this my laptop?
Check the model name on the label underneath. It should read ThinkPad W520 42763JU.