HP EliteDesk 800 G5 TWR
Desktop, from 2020 3 hardware reports
Memory
Up to 32 GB
4 full-size slots
SSD
2+ M.2
At least 2 M.2 SSD slots
Drives and power
Coming next
Checked from separate sources
Upgradable
Yes. 4 slots, up to 32 GB seen working.
It takes DDR4-2666 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR4-2666 288-pin DIMM
- Most seen working
- 32 GB in two or more machines
- Firmware says
- 64 GB maximum (often wrong, so we show what machines run)
- SSD slots
- At least 2 M.2 SSD slots listed by the firmware
- How sure
- 3 of 3 reports show this layout
See 8 GB DDR4-2666 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 3 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 HP EliteDesk 800 G5 TWR?
Yes. 4 slots, up to 32 GB seen working. It takes DDR4-2666 full-size sticks (DIMM).
What type of RAM does the HP EliteDesk 800 G5 TWR use?
DDR4-2666 full-size sticks (DIMM, 288-pin).
How much RAM can the HP EliteDesk 800 G5 TWR take?
Machines in the reports run up to 32 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.
Does the HP EliteDesk 800 G5 TWR have an M.2 SSD slot?
Yes. The firmware lists at least 2 M.2 SSD slots, in 3 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 G5 TWR.