HP ZBook Power 15.6 inch G9 Mobile Workstation PC
Yes. 2 slots, up to 32 GB seen working.
It takes DDR5-4800 laptop-size sticks (SO-DIMM).
- Slots
- 2 SO-DIMM slots
- Type
- DDR5-4800 262-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines; one machine runs 64 GB
- Firmware says
- 64 GB maximum (often wrong, so we show what machines run)
- SSD slots
- At least 2 M.2 SSD slots listed by the firmware
- How sure
- 5 of 5 reports show this layout
Worked out from 5 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 83 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 5 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the HP ZBook Power 15.6 inch G9 Mobile Workstation PC?
Yes. 2 slots, up to 32 GB seen working. It takes DDR5-4800 laptop-size sticks (SO-DIMM).
What type of RAM does the HP ZBook Power 15.6 inch G9 Mobile Workstation PC use?
DDR5-4800 laptop-size sticks (SO-DIMM, 262-pin).
How much RAM can the HP ZBook Power 15.6 inch G9 Mobile Workstation PC take?
Machines in the reports run up to 32 GB, and one runs 64 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.
Does the HP ZBook Power 15.6 inch G9 Mobile Workstation PC have an M.2 SSD slot?
Yes. The firmware lists at least 2 M.2 SSD slots, in 5 reports. Some firmware leaves a slot out, so there may be more.
What battery does the HP ZBook Power 15.6 inch G9 Mobile Workstation PC use?
Batteries in these laptops report 83 Wh, going by 5 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 ZBook Power 15.6 inch G9 Mobile Workstation PC.