HP 255 G7 Notebook PC
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
- DDR4-2400 260-pin SO-DIMM
- Most seen working
- 16 GB in two or more machines
- Firmware says
- 64 GB maximum (often wrong, so we show what machines run)
- How sure
- 36 of 63 reports show this layout
Worked out from 63 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 41 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 63 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the HP 255 G7 Notebook PC?
It depends on the configuration: the reports show more than one memory layout for this laptop.
What type of RAM does the HP 255 G7 Notebook PC use?
DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the HP 255 G7 Notebook PC take?
Machines in the reports run up to 16 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.
What battery does the HP 255 G7 Notebook PC use?
Batteries in these laptops report 41 Wh, going by 63 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 255 G7 Notebook PC.