Dell OptiPlex 960

Desktop, from 2009 15 hardware reports
Memory
Up to 8 GB
4 full-size slots
Drives and power
Coming next
Checked from separate sources
Upgradable

Yes. 4 slots, up to 8 GB seen working.

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

Slots
4 DIMM slots
Type
DDR2-667 240-pin DIMM
Most seen working
8 GB in two or more machines; one machine runs 12 GB
Firmware says
8 GB maximum
How sure
15 of 15 reports show this layout
See 8 GB DDR2-667 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 15 hardware reports of this desktop. Sources and method. Updated 9 Nov 2026.

4 full-size slots
Illustration

Questions

Can I upgrade the RAM in the Dell OptiPlex 960?

Yes. 4 slots, up to 8 GB seen working. It takes DDR2-667 full-size sticks (DIMM).

What type of RAM does the Dell OptiPlex 960 use?

DDR2-667 full-size sticks (DIMM, 240-pin).

How much RAM can the Dell OptiPlex 960 take?

Machines in the reports run up to 8 GB, and one runs 12 GB. That matches the 8 GB maximum the firmware reports.

Is this my desktop?

Check the model name on the front or the label of the case. It should read OptiPlex 960.