Fujitsu CELSIUS H780
Yes. 4 slots, up to 16 GB seen working.
It takes DDR4-2400 laptop-size sticks (SO-DIMM).
- Slots
- 4 SO-DIMM slots
- Type
- DDR4-2400 260-pin SO-DIMM
- Most seen working
- 16 GB in two or more machines; one machine runs 64 GB
- Firmware says
- 64 GB maximum (often wrong, so we show what machines run)
- How sure
- 3 of 3 reports show this layout
Worked out from 3 hardware reports of this laptop. Sources and method. Updated 9 Nov 2026.
Batteries in these laptops report 96 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 3 battery readings. Sources and method. Updated 9 Nov 2026.
IllustrationQuestions
Can I upgrade the RAM in the Fujitsu CELSIUS H780?
Yes. 4 slots, up to 16 GB seen working. It takes DDR4-2400 laptop-size sticks (SO-DIMM).
What type of RAM does the Fujitsu CELSIUS H780 use?
DDR4-2400 laptop-size sticks (SO-DIMM, 260-pin).
How much RAM can the Fujitsu CELSIUS H780 take?
Machines in the reports run up to 16 GB, and one runs 64 GB. The firmware reports a maximum of 64 GB, a figure that is often wrong.
What battery does the Fujitsu CELSIUS H780 use?
Batteries in these laptops report 96 Wh, going by 3 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 CELSIUS H780.