HP ProBook 440 G4
Yes. 2 slots, up to 16 GB seen working.
It takes DDR4-2133 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR4-2133 260-pin SO-DIMM
- Most seen working
- 16 GB in two or more machines
- 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
- 10 of 10 reports show this layout
Worked out from 10 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 39 Wh or 48 Wh.
That is the design capacity the batteries themselves report, and the label can read 1 to 3 Wh higher. Other pack sizes may have shipped, so check the capacity printed on yours before you order.
From 10 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the HP ProBook 440 G4?
Yes. 2 slots, up to 16 GB seen working. It takes DDR4-2133 laptop-size sticks (SO-DIMM).
What type of RAM does the HP ProBook 440 G4 use?
DDR4-2133 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the HP ProBook 440 G4 take?
Machines in the reports run up to 16 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.
Does the HP ProBook 440 G4 have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 8 reports. Some firmware leaves a slot out, so there may be more.
What battery does the HP ProBook 440 G4 use?
Batteries in these laptops report 39 Wh or 48 Wh, going by 10 reports. Other pack sizes may have shipped, so check the capacity printed on yours.
Is this my laptop?
Check the model name on the label underneath. It should read ProBook 440 G4.