HP EliteDesk 800 G3 TWR
Desktop, from 2017 11 hardware reports
Memory
Up to 32 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
Upgradable
Yes. 4 slots, up to 32 GB seen working.
It takes DDR4-2400 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR4-2400 288-pin DIMM
- Most seen working
- 32 GB in two or more machines; one machine runs 64 GB
- 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
- 11 of 11 reports show this layout
See 8 GB DDR4-2400 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 11 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 G3 TWR?
Yes. 4 slots, up to 32 GB seen working. It takes DDR4-2400 full-size sticks (DIMM).
What type of RAM does the HP EliteDesk 800 G3 TWR use?
DDR4-2400 full-size sticks (DIMM, 288-pin).
How much RAM can the HP EliteDesk 800 G3 TWR take?
Machines in the reports run up to 32 GB, and one runs 64 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.
Does the HP EliteDesk 800 G3 TWR have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 11 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 G3 TWR.