HP ProOne 440 G4 23.8-in NT AiO
All-in-one, from 2021 3 hardware reports
Memory
Up to 8 GB
2 laptop-size slots
SSD
1+ M.2
At least 1 M.2 SSD slot
Drives and power
Coming next
Checked from separate sources
Upgradable
Yes. 2 slots, up to 8 GB seen working.
It takes DDR4-2400 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2400 260-pin SO-DIMM
- Most seen working
- 8 GB in two or more machines; one machine runs 16 GB
- Firmware says
- 32 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
- 3 of 3 reports show this layout
See 4 GB DDR4-2400 SO-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.
2 laptop-size slots
Illustration Questions
Can I upgrade the RAM in the HP ProOne 440 G4 23.8-in NT AiO?
Yes. 2 slots, up to 8 GB seen working. It takes DDR4-2400 laptop-size sticks (SO-DIMM).
What type of RAM does the HP ProOne 440 G4 23.8-in NT AiO use?
DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the HP ProOne 440 G4 23.8-in NT AiO take?
Machines in the reports run up to 8 GB, and one runs 16 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.
Does the HP ProOne 440 G4 23.8-in NT AiO have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, 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 ProOne 440 G4 23.8-in NT AiO.