Lenovo B550 20053
Laptop, from 2010 9 hardware reports
Memory
Up to 4 GB
2 laptop-size slots
SSD and charger
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 4 GB seen working.
It takes the same type of laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Most seen working
- 4 GB in two or more machines; one machine runs 8 GB
- Firmware says
- 4 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.
2 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the Lenovo B550 20053?
Yes. 2 slots, up to 4 GB seen working. It takes the same type of laptop-size sticks (SO-DIMM).
How much RAM can the Lenovo B550 20053 take?
Machines in the reports run up to 4 GB, and one runs 8 GB. That matches the 4 GB maximum the firmware reports.
Is this my laptop?
Check the model name on the label underneath. It should read B550 20053.