Dell OptiPlex 5080
Desktop, from 2020 9 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
4 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. 4 slots, up to 32 GB seen working.
It takes DDR4-2133 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR4-2133 288-pin DIMM
- Most seen working
- 32 GB in two or more machines; one machine runs 64 GB
- Firmware says
- 128 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 9 reports show this layout
See 8 GB DDR4-2133 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 9 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.
4 full-size slots
Illustration Upgradable
Yes. 2 slots, up to 32 GB seen working.
It takes DDR4-2666 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2666 260-pin SO-DIMM
- Most seen working
- 32 GB
- How sure
- 3 of 9 reports show this layout
See 16 GB DDR4-2666 SO-DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 9 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 5080?
Yes. 4 slots, up to 32 GB seen working. It takes DDR4-2133 full-size sticks (DIMM).
What type of RAM does the Dell OptiPlex 5080 use?
DDR4-2133 full-size sticks (DIMM, 288-pin).
How much RAM can the Dell OptiPlex 5080 take?
Machines in the reports run up to 32 GB, and one runs 64 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.
Does the Dell OptiPlex 5080 have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 9 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 5080.