Fujitsu D2778-D1
Desktop, from 2010 3 hardware reports
Memory

Up to 24 GB
6 full-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable
Yes. 6 slots, up to 24 GB seen working.
It takes DDR2-1066 full-size sticks (DIMM).
- Slots
- 6 DIMM slots
- Type
- DDR2-1066 240-pin DIMM
- Most seen working
- 24 GB; one machine runs 24 GB
- Firmware says
- 24 GB maximum
- How sure
- 3 of 3 reports show this layout
See 4 GB DDR2-1066 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.

6 full-size slots
Illustration Questions
Can I upgrade the RAM in the Fujitsu D2778-D1?
Yes. 6 slots, up to 24 GB seen working. It takes DDR2-1066 full-size sticks (DIMM).
What type of RAM does the Fujitsu D2778-D1 use?
DDR2-1066 full-size sticks (DIMM, 240-pin).
Is this my desktop?
Check the model name on the front or the label of the case. It should read D2778-D1.