HP ProDesk 600 G4 SFF
Desktop, from 2019 12 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 DDR4-2666 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR4-2666 288-pin DIMM
- Most seen working
- 32 GB in two or more machines; one machine runs 48 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
- 12 of 12 reports show this layout
See 8 GB DDR4-2666 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 12 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 ProDesk 600 G4 SFF?
Yes. 4 slots, up to 32 GB seen working. It takes DDR4-2666 full-size sticks (DIMM).
What type of RAM does the HP ProDesk 600 G4 SFF use?
DDR4-2666 full-size sticks (DIMM, 288-pin).
How much RAM can the HP ProDesk 600 G4 SFF take?
Machines in the reports run up to 32 GB, and one runs 48 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.
Does the HP ProDesk 600 G4 SFF have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 12 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 ProDesk 600 G4 SFF.