Dell OptiPlex 3070

Desktop, from 2019 33 hardware reports
Which case is yours?
The two cases take different memory. A micro or mini case is the size of a hardback book and runs from a laptop-style power brick.
Memory
Up to 32 GB
2 full-size slots
Memory
Up to 32 GB
2 laptop-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 32 GB seen working.

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

Slots
2 DIMM slots
Type
DDR4-2666 288-pin DIMM
Most seen working
32 GB in two or more machines
Firmware says
32 GB maximum
SSD slots
At least 1 M.2 SSD slot listed by the firmware
How sure
23 of 33 reports show this layout
See 16 GB DDR4-2666 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 33 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.

2 full-size slots
Illustration
Upgradable

Yes. 2 slots, up to 32 GB seen working.

It takes DDR4-2400 laptop-size sticks (SO-DIMM).

Slots
2 SO-DIMM slots
Type
DDR4-2400 260-pin SO-DIMM
Most seen working
32 GB
How sure
10 of 33 reports show this layout
See 16 GB DDR4-2400 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 33 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.

2 laptop-size slots
Illustration

Questions

Can I upgrade the RAM in the Dell OptiPlex 3070?

Yes. 2 slots, up to 32 GB seen working. It takes DDR4-2666 full-size sticks (DIMM).

What type of RAM does the Dell OptiPlex 3070 use?

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

How much RAM can the Dell OptiPlex 3070 take?

Machines in the reports run up to 32 GB. That matches the 32 GB maximum the firmware reports.

Does the Dell OptiPlex 3070 have an M.2 SSD slot?

Yes. The firmware lists at least 1 M.2 SSD slot, in 33 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 OptiPlex 3070.