HP ProBook 450 G3


It depends on the configuration.
The reports show more than one memory layout for this laptop. Check the label or the system information before you buy.
- 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)
- How sure
- 29 of 52 reports show this layout
Worked out from 52 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

Batteries in these laptops report 33 Wh or 44 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 37 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the HP ProBook 450 G3?
It depends on the configuration: the reports show more than one memory layout for this laptop.
What type of RAM does the HP ProBook 450 G3 use?
DDR4-2133 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the HP ProBook 450 G3 take?
Machines in the reports run up to 16 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.
What battery does the HP ProBook 450 G3 use?
Batteries in these laptops report 33 Wh or 44 Wh, going by 37 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 450 G3.