HP Compaq dc7700 Ultra-slim Desktop

Desktop, from 2007 4 hardware reports
Memory
Up to 5 GB
3 full-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable

Yes. 3 slots, up to 5 GB seen working.

It takes DDR2-667 full-size sticks (DIMM).

Slots
3 DIMM slots
Type
DDR2-667 240-pin DIMM
Most seen working
5 GB; one machine runs 5 GB
0
How sure
4 of 4 reports show this layout
See 8 GB DDR2-667 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 4 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.

3 full-size slots
Illustration

Questions

Can I upgrade the RAM in the HP Compaq dc7700 Ultra-slim Desktop?

Yes. 3 slots, up to 5 GB seen working. It takes DDR2-667 full-size sticks (DIMM).

What type of RAM does the HP Compaq dc7700 Ultra-slim Desktop use?

DDR2-667 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 Compaq dc7700 Ultra-slim Desktop.