Dell Inspiron 3275 AIO

All-in-one, from 2018 2 hardware reports
Memory
Up to 16 GB
1 laptop-size slot
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. One slot, up to 16 GB seen working.

It takes DDR4-1866 laptop-size sticks (SO-DIMM).

Slots
1 SO-DIMM slot
Type
DDR4-1866 260-pin SO-DIMM
Most seen working
16 GB; one machine runs 16 GB
Firmware says
32 GB maximum
How sure
2 of 2 reports show this layout
See 16 GB DDR4-1866 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

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

1 laptop-size slot
Illustration

Questions

Can I upgrade the RAM in the Dell Inspiron 3275 AIO?

Yes. One slot, up to 16 GB seen working. It takes DDR4-1866 laptop-size sticks (SO-DIMM).

What type of RAM does the Dell Inspiron 3275 AIO use?

DDR4-1866 laptop-size sticks (SO-DIMM, 260-pin).

Is this my desktop?

Check the model name on the front or the label of the case. It should read Inspiron 3275 AIO.