HP ProBook 450 G3

Laptop, from 2015 52 hardware reports
Memory
Up to 16 GB
2 laptop-size slots
Battery
33 Wh / 44 Wh
Reported by the batteries
SSD and charger
Coming next
Checked from separate sources
Depends on the configuration

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
See 8 GB DDR4-2133 SO-DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 52 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

2 laptop-size slots
Illustration
Battery

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.

HP ProBook 450 G3 battery on AmazonMatch the capacity and part number to the label on your battery.

From 37 battery readings. Sources and method. Updated 9 Nov 2026.

Illustration

Questions

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.