HP EliteDesk 800 G4 DM 35W

Desktop, from 2018 14 hardware reports
Memory
Up to 32 GB
2 laptop-size slots
SSD
2+ M.2
At least 2 M.2 SSD slots
Drives and power
Coming next
Checked from separate sources
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 in two or more machines; one machine runs 64 GB
Firmware says
32 GB maximum
SSD slots
At least 2 M.2 SSD slots listed by the firmware
How sure
14 of 14 reports show this layout
See 16 GB DDR4-2666 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 14 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 HP EliteDesk 800 G4 DM 35W?

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

What type of RAM does the HP EliteDesk 800 G4 DM 35W use?

DDR4-2666 laptop-size sticks (SO-DIMM, 260-pin).

How much RAM can the HP EliteDesk 800 G4 DM 35W take?

Machines in the reports run up to 32 GB, and one runs 64 GB. That matches the 32 GB maximum the firmware reports.

Does the HP EliteDesk 800 G4 DM 35W have an M.2 SSD slot?

Yes. The firmware lists at least 2 M.2 SSD slots, in 14 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 EliteDesk 800 G4 DM 35W.