Lenovo IdeaCentre B300 10051

All-in-one, from 2010 3 hardware reports
Memory
Up to 4 GB
4 laptop-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable

Yes. 4 slots, up to 4 GB seen working.

It takes DDR2-800 laptop-size sticks (SO-DIMM).

Slots
4 SO-DIMM slots
Type
DDR2-800 200-pin SO-DIMM
Most seen working
4 GB; one machine runs 4 GB
Firmware says
4 GB maximum
How sure
3 of 3 reports show this layout
See 8 GB DDR2-800 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 3 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.

4 laptop-size slots
Illustration

Questions

Can I upgrade the RAM in the Lenovo IdeaCentre B300 10051?

Yes. 4 slots, up to 4 GB seen working. It takes DDR2-800 laptop-size sticks (SO-DIMM).

What type of RAM does the Lenovo IdeaCentre B300 10051 use?

DDR2-800 laptop-size sticks (SO-DIMM, 200-pin).

Is this my desktop?

Check the model name on the front or the label of the case. It should read IdeaCentre B300 10051.