HP ZBook 15 G2


Yes. 4 slots, up to 32 GB seen working.
It takes DDR3-1600 laptop-size sticks (SO-DIMM).
- Slots
- 4 SO-DIMM slots
- Type
- DDR3-1600 204-pin SO-DIMM
- Most seen working
- 32 GB in two or more machines
- Firmware says
- 32 GB maximum
- How sure
- 20 of 21 reports show this layout
Worked out from 21 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.

Batteries in these laptops report 75 Wh or 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 20 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the HP ZBook 15 G2?
Yes. 4 slots, up to 32 GB seen working. It takes DDR3-1600 laptop-size sticks (SO-DIMM).
What type of RAM does the HP ZBook 15 G2 use?
DDR3-1600 laptop-size sticks (SO-DIMM, 204-pin).
How much RAM can the HP ZBook 15 G2 take?
Machines in the reports run up to 32 GB. That matches the 32 GB maximum the firmware reports.
What battery does the HP ZBook 15 G2 use?
Batteries in these laptops report 75 Wh or 83 Wh, going by 20 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 15 G2.