Lenovo IdeaCentre B505 10039

All-in-one, from 2010 2 hardware reports
Memory
Up to 8 GB
2 full-size slots
Drives and power
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. 2 slots, up to 8 GB seen working.

It takes the same type of full-size sticks (DIMM).

Slots
2 DIMM slots
Most seen working
8 GB; one machine runs 8 GB
Firmware says
8 GB maximum
How sure
2 of 2 reports show this layout

Worked out from 2 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.

2 full-size slots
Illustration

Questions

Can I upgrade the RAM in the Lenovo IdeaCentre B505 10039?

Yes. 2 slots, up to 8 GB seen working. It takes the same type of full-size sticks (DIMM).

Is this my desktop?

Check the model name on the front or the label of the case. It should read IdeaCentre B505 10039.

More in the Lenovo IdeaCentre