Dell G5 5090

Desktop, from 2019 2 hardware reports
Memory
Up to 16 GB
4 full-size slots
SSD
1+ M.2
At least 1 M.2 SSD 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. 4 slots, up to 16 GB seen working.

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

Slots
4 DIMM slots
Type
DDR4-2666 288-pin DIMM
Most seen working
16 GB in two or more machines
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
2 of 2 reports show this layout
See 4 GB DDR4-2666 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.

4 full-size slots
Illustration

Questions

Can I upgrade the RAM in the Dell G5 5090?

Yes. 4 slots, up to 16 GB seen working. It takes DDR4-2666 full-size sticks (DIMM).

What type of RAM does the Dell G5 5090 use?

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

How much RAM can the Dell G5 5090 take?

Machines in the reports run up to 16 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.

Does the Dell G5 5090 have an M.2 SSD slot?

Yes. The firmware lists at least 1 M.2 SSD slot, in 2 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 G5 5090.

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