HP EliteBook 840 G5
Yes. 2 slots, up to 64 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
- 64 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
- 130 of 130 reports show this layout
Worked out from 130 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 50 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 130 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the HP EliteBook 840 G5?
Yes. 2 slots, up to 64 GB seen working. It takes DDR4-2400 laptop-size sticks (SO-DIMM).
What type of RAM does the HP EliteBook 840 G5 use?
DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the HP EliteBook 840 G5 take?
Machines in the reports run up to 64 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.
Does the HP EliteBook 840 G5 have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 130 reports. Some firmware leaves a slot out, so there may be more.
What battery does the HP EliteBook 840 G5 use?
Batteries in these laptops report 50 Wh, going by 130 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 EliteBook 840 G5.