HP EliteBook 820 G3
Yes. 2 slots, up to 16 GB seen working.
It takes DDR4-2133 laptop-size sticks (SO-DIMM).
- 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
- 50 of 50 reports show this layout
Worked out from 50 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 45 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 43 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the HP EliteBook 820 G3?
Yes. 2 slots, up to 16 GB seen working. It takes DDR4-2133 laptop-size sticks (SO-DIMM).
What type of RAM does the HP EliteBook 820 G3 use?
DDR4-2133 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the HP EliteBook 820 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 EliteBook 820 G3 use?
Batteries in these laptops report 45 Wh, going by 43 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 EliteBook 820 G3.