Dell Vostro 3888

Desktop, from 2020 6 hardware reports
Memory
Up to 8 GB
2 full-size slots
SSD
1+ M.2
At least 1 M.2 SSD slot
Drives and power
Coming next
Checked from separate sources
Upgradable

Yes. 2 slots, up to 8 GB seen working.

It takes DDR4-2666 full-size sticks (DIMM).

Slots
2 DIMM slots
Type
DDR4-2666 288-pin DIMM
Most seen working
8 GB in two or more machines; one machine runs 20 GB
Firmware says
64 GB maximum (often wrong, so we show what machines run)
SSD slots
At least 1 M.2 SSD slot listed by the firmware
How sure
6 of 6 reports show this layout
See 4 GB DDR4-2666 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 6 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 Dell Vostro 3888?

Yes. 2 slots, up to 8 GB seen working. It takes DDR4-2666 full-size sticks (DIMM).

What type of RAM does the Dell Vostro 3888 use?

DDR4-2666 full-size sticks (DIMM, 288-pin).

How much RAM can the Dell Vostro 3888 take?

Machines in the reports run up to 8 GB, and one runs 20 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.

Does the Dell Vostro 3888 have an M.2 SSD slot?

Yes. The firmware lists at least 1 M.2 SSD slot, in 6 reports. Some firmware leaves a slot out, so there may be more.

Is this my desktop?

Check the model name on the front or the label of the case. It should read Vostro 3888.