Fujitsu CELSIUS M770

Desktop, from 2018 3 hardware reports
Memory
Up to 128 GB
8 full-size slots
SSD
2+ M.2
At least 2 M.2 SSD slots
Drives and power
Coming next
Checked from separate sources
Upgradable

Yes. 8 slots, up to 128 GB seen working.

It takes DDR4-2666 full-size sticks (DIMM).

Slots
8 DIMM slots
Type
DDR4-2666 288-pin DIMM
Most seen working
128 GB; one machine runs 128 GB
Firmware says
1536 GB maximum
SSD slots
At least 2 M.2 SSD slots listed by the firmware
How sure
3 of 3 reports show this layout
See 16 GB DDR4-2666 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 3 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.

8 full-size slots
Illustration

Questions

Can I upgrade the RAM in the Fujitsu CELSIUS M770?

Yes. 8 slots, up to 128 GB seen working. It takes DDR4-2666 full-size sticks (DIMM).

What type of RAM does the Fujitsu CELSIUS M770 use?

DDR4-2666 full-size sticks (DIMM, 288-pin).

Does the Fujitsu CELSIUS M770 have an M.2 SSD slot?

Yes. The firmware lists at least 2 M.2 SSD slots, in 3 reports. Some firmware leaves a slot out, so there may be more.

Is this my desktop?

Check the model name on the front or the label of the case. It should read CELSIUS M770.